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242033280 = 2735373407
BaseRepresentation
bin11100110110100…
…10001010000000
3121212102120020120
432123102022000
5443430031110
640003340240
75666151246
oct1633221200
9555376216
10242033280
11114692205
1269081680
133b1b3478
1424204796
15163ad870
hexe6d2280

242033280 has 128 divisors (see below), whose sum is σ = 792564480. Its totient is φ = 62779392.

The previous prime is 242033261. The next prime is 242033293. The reversal of 242033280 is 82330242.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 242033280.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 69337 + ... + 72743.

It is an arithmetic number, because the mean of its divisors is an integer number (6191910).

Almost surely, 2242033280 is an apocalyptic number.

242033280 is a gapful number since it is divisible by the number (20) 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 242033280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396282240).

242033280 is an abundant number, since it is smaller than the sum of its proper divisors (550531200).

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

242033280 is a wasteful number, since it uses less digits than its factorization.

242033280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3466 (or 3454 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 242033280 is about 15557.4188090441. The cubic root of 242033280 is about 623.1965332846.

The spelling of 242033280 in words is "two hundred forty-two million, thirty-three thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 37 40 48 60 64 74 80 96 111 120 128 148 160 185 192 222 240 296 320 370 384 444 480 555 592 640 740 888 960 1110 1184 1480 1776 1920 2220 2368 2960 3407 3552 4440 4736 5920 6814 7104 8880 10221 11840 13628 14208 17035 17760 20442 23680 27256 34070 35520 40884 51105 54512 68140 71040 81768 102210 109024 126059 136280 163536 204420 218048 252118 272560 327072 378177 408840 436096 504236 545120 630295 654144 756354 817680 1008472 1090240 1260590 1308288 1512708 1635360 1890885 2016944 2180480 2521180 3025416 3270720 3781770 4033888 5042360 6050832 6541440 7563540 8067776 10084720 12101664 15127080 16135552 20169440 24203328 30254160 40338880 48406656 60508320 80677760 121016640 242033280