Search a number
-
+
348768720 = 24335612647
BaseRepresentation
bin10100110010011…
…100100111010000
3220022021021202000
4110302130213100
51203241044340
654335154000
711433325266
oct2462344720
9808237660
10348768720
11169964113
1298975900
1357344931
143446a436
1520943d30
hex14c9c9d0

348768720 has 160 divisors (see below), whose sum is σ = 1221469440. Its totient is φ = 91445760.

The previous prime is 348768677. The next prime is 348768727. The reversal of 348768720 is 27867843.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348768727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130437 + ... + 133083.

It is an arithmetic number, because the mean of its divisors is an integer number (7634184).

Almost surely, 2348768720 is an apocalyptic number.

348768720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 348768720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (610734720).

348768720 is an abundant number, since it is smaller than the sum of its proper divisors (872700720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

348768720 is a wasteful number, since it uses less digits than its factorization.

348768720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2730 (or 2718 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 348768720 is about 18675.3505991186. The cubic root of 348768720 is about 703.9025024244.

The spelling of 348768720 in words is "three hundred forty-eight million, seven hundred sixty-eight thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 61 72 80 90 108 120 122 135 144 180 183 216 240 244 270 305 360 366 432 488 540 549 610 720 732 915 976 1080 1098 1220 1464 1647 1830 2160 2196 2440 2647 2745 2928 3294 3660 4392 4880 5294 5490 6588 7320 7941 8235 8784 10588 10980 13176 13235 14640 15882 16470 21176 21960 23823 26352 26470 31764 32940 39705 42352 43920 47646 52940 63528 65880 71469 79410 95292 105880 119115 127056 131760 142938 158820 161467 190584 211760 238230 285876 317640 322934 357345 381168 476460 484401 571752 635280 645868 714690 807335 952920 968802 1143504 1291736 1429380 1453203 1614670 1905840 1937604 2422005 2583472 2858760 2906406 3229340 3875208 4359609 4844010 5717520 5812812 6458680 7266015 7750416 8719218 9688020 11625624 12917360 14532030 17438436 19376040 21798045 23251248 29064060 34876872 38752080 43596090 58128120 69753744 87192180 116256240 174384360 348768720