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5072538 = 234319661
BaseRepresentation
bin10011010110011010011010
3100112201012210
4103112122122
52244310123
6300415550
761054512
oct23263232
910481183
105072538
112955089
1218475b6
131087b03
14960842
156a2e93
hex4d669a

5072538 has 16 divisors (see below), whose sum is σ = 10381536. Its totient is φ = 1651440.

The previous prime is 5072537. The next prime is 5072539. The reversal of 5072538 is 8352705.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5072537) and next prime (5072539).

It is a super-2 number, since 2×50725382 = 51461283522888, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5072531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9573 + ... + 10088.

It is an arithmetic number, because the mean of its divisors is an integer number (648846).

Almost surely, 25072538 is an apocalyptic number.

5072538 is an abundant number, since it is smaller than the sum of its proper divisors (5308998).

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

5072538 is a wasteful number, since it uses less digits than its factorization.

5072538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19709.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 5072538 is about 2252.2295620118. The cubic root of 5072538 is about 171.8205492750.

The spelling of 5072538 in words is "five million, seventy-two thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 43 86 129 258 19661 39322 58983 117966 845423 1690846 2536269 5072538