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72955092 = 223717471087
BaseRepresentation
bin1000101100100…
…11010011010100
312002021111120110
410112103103110
5122134030332
611123403020
71544052030
oct426232324
9162244513
1072955092
11381aa271
1220523470
13121648c2
1499911c0
1566114cc
hex45934d4

72955092 has 96 divisors (see below), whose sum is σ = 210567168. Its totient is φ = 19183104.

The previous prime is 72955087. The next prime is 72955147. The reversal of 72955092 is 29055927.

It is a self number, because there is not a number n which added to its sum of digits gives 72955092.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66573 + ... + 67659.

It is an arithmetic number, because the mean of its divisors is an integer number (2193408).

Almost surely, 272955092 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 72955092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105283584).

72955092 is an abundant number, since it is smaller than the sum of its proper divisors (137612076).

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

72955092 is a wasteful number, since it uses less digits than its factorization.

72955092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165 (or 1163 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 72955092 is about 8541.3752990956. The cubic root of 72955092 is about 417.8482007959.

The spelling of 72955092 in words is "seventy-two million, nine hundred fifty-five thousand, ninety-two".

Divisors: 1 2 3 4 6 7 12 14 17 21 28 34 42 47 51 68 84 94 102 119 141 188 204 238 282 329 357 476 564 658 714 799 987 1087 1316 1428 1598 1974 2174 2397 3196 3261 3948 4348 4794 5593 6522 7609 9588 11186 13044 15218 16779 18479 22372 22827 30436 33558 36958 45654 51089 55437 67116 73916 91308 102178 110874 129353 153267 204356 221748 258706 306534 357623 388059 517412 613068 715246 776118 868513 1072869 1430492 1552236 1737026 2145738 2605539 3474052 4291476 5211078 6079591 10422156 12159182 18238773 24318364 36477546 72955092