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72498088 = 231331113199
BaseRepresentation
bin1000101001000…
…11101110101000
312001102021200101
410110203232220
5122024414323
611105515144
71540136455
oct424435650
9161367611
1072498088
1137a17983
1220342ab4
13120348a0
1498b282c
156570dad
hex4523ba8

72498088 has 64 divisors (see below), whose sum is σ = 153216000. Its totient is φ = 31933440.

The previous prime is 72497989. The next prime is 72498089. The reversal of 72498088 is 88089427.

It is not an unprimeable number, because it can be changed into a prime (72498089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364213 + ... + 364411.

It is an arithmetic number, because the mean of its divisors is an integer number (2394000).

Almost surely, 272498088 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 72498088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76608000).

72498088 is an abundant number, since it is smaller than the sum of its proper divisors (80717912).

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

72498088 is a wasteful number, since it uses less digits than its factorization.

72498088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 72498088 is about 8514.5809057170. The cubic root of 72498088 is about 416.9738801698.

The spelling of 72498088 in words is "seventy-two million, four hundred ninety-eight thousand, eighty-eight".

Divisors: 1 2 4 8 13 26 31 52 62 104 113 124 199 226 248 398 403 452 796 806 904 1469 1592 1612 2587 2938 3224 3503 5174 5876 6169 7006 10348 11752 12338 14012 20696 22487 24676 28024 44974 45539 49352 80197 89948 91078 160394 179896 182156 292331 320788 364312 584662 641576 697097 1169324 1394194 2338648 2788388 5576776 9062261 18124522 36249044 72498088