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303252664 = 2311131731503
BaseRepresentation
bin10010000100110…
…100010010111000
3210010121211110011
4102010310102320
51110113041124
650031431304
710341414361
oct2204642270
9703554404
10303252664
111461a6240
1285685534
134aa99460
142c3bcb68
151b952994
hex121344b8

303252664 has 128 divisors (see below), whose sum is σ = 731566080. Its totient is φ = 115660800.

The previous prime is 303252643. The next prime is 303252667. The reversal of 303252664 is 466252303.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303252667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 602637 + ... + 603139.

It is an arithmetic number, because the mean of its divisors is an integer number (5715360).

Almost surely, 2303252664 is an apocalyptic number.

303252664 is a gapful number since it is divisible by the number (34) 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 303252664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365783040).

303252664 is an abundant number, since it is smaller than the sum of its proper divisors (428313416).

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

303252664 is a wasteful number, since it uses less digits than its factorization.

303252664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581 (or 577 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 303252664 is about 17414.1512569519. The cubic root of 303252664 is about 671.8436368529.

It can be divided in two parts, 3032 and 52664, that added together give a square (55696 = 2362).

The spelling of 303252664 in words is "three hundred three million, two hundred fifty-two thousand, six hundred sixty-four".

Divisors: 1 2 4 8 11 13 17 22 26 31 34 44 52 62 68 88 104 124 136 143 187 221 248 286 341 374 403 442 503 527 572 682 748 806 884 1006 1054 1144 1364 1496 1612 1768 2012 2108 2431 2728 3224 4024 4216 4433 4862 5533 5797 6539 6851 8551 8866 9724 11066 11594 13078 13702 15593 17102 17732 19448 22132 23188 26156 27404 31186 34204 35464 44264 46376 52312 54808 62372 68408 71929 75361 94061 111163 124744 143858 150722 171523 188122 202709 222326 265081 287716 301444 343046 376244 405418 444652 530162 575432 602888 686092 752488 810836 889304 1060324 1222793 1372184 1621672 2120648 2229799 2445586 2915891 3446053 4459598 4891172 5831782 6892106 8919196 9782344 11663564 13784212 17838392 23327128 27568424 37906583 75813166 151626332 303252664