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52038081 = 3247912071
BaseRepresentation
bin1100011010000…
…0100111000001
310121220210211100
43012200213001
5101310204311
65055205013
71201213344
oct306404701
9117823740
1052038081
1127412a87
1215516769
13aa1cc84
146ca845b
15487da56
hex31a09c1

52038081 has 12 divisors (see below), whose sum is σ = 75329280. Its totient is φ = 34616760.

The previous prime is 52038079. The next prime is 52038083. The reversal of 52038081 is 18083025.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52038079) and next prime (52038083).

It is not a de Polignac number, because 52038081 - 21 = 52038079 is a prime.

It is a super-2 number, since 2×520380812 = 5415923748325122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52038083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1725 + ... + 10346.

It is an arithmetic number, because the mean of its divisors is an integer number (6277440).

Almost surely, 252038081 is an apocalyptic number.

It is an amenable number.

52038081 is a deficient number, since it is larger than the sum of its proper divisors (23291199).

52038081 is a wasteful number, since it uses less digits than its factorization.

52038081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12556 (or 12553 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 52038081 is about 7213.7425099597. The cubic root of 52038081 is about 373.3422073961.

The spelling of 52038081 in words is "fifty-two million, thirty-eight thousand, eighty-one".

Divisors: 1 3 9 479 1437 4311 12071 36213 108639 5782009 17346027 52038081