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72926304 = 25311531303
BaseRepresentation
bin1000101100011…
…00010001100000
312002020001002020
410112030101200
5122132120204
611123021440
71543602063
oct426142140
9162201066
1072926304
113818a680
122050a880
1312154779
1499848da
156607bd9
hex458c460

72926304 has 96 divisors (see below), whose sum is σ = 212937984. Its totient is φ = 21665280.

The previous prime is 72926279. The next prime is 72926317. The reversal of 72926304 is 40362927.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55317 + ... + 56619.

It is an arithmetic number, because the mean of its divisors is an integer number (2218104).

Almost surely, 272926304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72926304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106468992).

72926304 is an abundant number, since it is smaller than the sum of its proper divisors (140011680).

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

72926304 is a wasteful number, since it uses less digits than its factorization.

72926304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380 (or 1372 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 72926304 is about 8539.6899241132. The cubic root of 72926304 is about 417.7932327499.

The spelling of 72926304 in words is "seventy-two million, nine hundred twenty-six thousand, three hundred four".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 53 66 88 96 106 132 159 176 212 264 318 352 424 528 583 636 848 1056 1166 1272 1303 1696 1749 2332 2544 2606 3498 3909 4664 5088 5212 6996 7818 9328 10424 13992 14333 15636 18656 20848 27984 28666 31272 41696 42999 55968 57332 62544 69059 85998 114664 125088 138118 171996 207177 229328 276236 343992 414354 458656 552472 687984 759649 828708 1104944 1375968 1519298 1657416 2209888 2278947 3038596 3314832 4557894 6077192 6629664 9115788 12154384 18231576 24308768 36463152 72926304