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72038 = 2181199
BaseRepresentation
bin10001100101100110
310122211002
4101211212
54301123
61313302
7420011
oct214546
9118732
1072038
114a13a
1235832
1326a35
141c378
1516528
hex11966

72038 has 8 divisors (see below), whose sum is σ = 109200. Its totient is φ = 35640.

The previous prime is 72031. The next prime is 72043. The reversal of 72038 is 83027.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263 + ... + 461.

It is an arithmetic number, because the mean of its divisors is an integer number (13650).

272038 is an apocalyptic number.

72038 is a deficient number, since it is larger than the sum of its proper divisors (37162).

72038 is a wasteful number, since it uses less digits than its factorization.

72038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 72038 is about 268.3989567789. The cubic root of 72038 is about 41.6089939873.

The spelling of 72038 in words is "seventy-two thousand, thirty-eight".

Divisors: 1 2 181 199 362 398 36019 72038