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52025031 = 336728759
BaseRepresentation
bin1100011001110…
…1011011000111
310121220010221000
43012131123013
5101304300111
65055024343
71201130322
oct306353307
9117803830
1052025031
11274041a3
121550b0b3
13aa17056
146ca37b9
154879c56
hex319d6c7

52025031 has 16 divisors (see below), whose sum is σ = 78227200. Its totient is φ = 34164504.

The previous prime is 52025027. The next prime is 52025041. The reversal of 52025031 is 13052025.

It is a happy number.

It is not a de Polignac number, because 52025031 - 22 = 52025027 is a prime.

It is a super-2 number, since 2×520250312 = 5413207701101922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52024995 and 52025013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52025041) 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, 12571 + ... + 16188.

It is an arithmetic number, because the mean of its divisors is an integer number (4889200).

Almost surely, 252025031 is an apocalyptic number.

52025031 is a deficient number, since it is larger than the sum of its proper divisors (26202169).

52025031 is a wasteful number, since it uses less digits than its factorization.

52025031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28835 (or 28829 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 52025031 is about 7212.8379296918. The cubic root of 52025031 is about 373.3109961302.

Adding to 52025031 its reverse (13052025), we get a palindrome (65077056).

The spelling of 52025031 in words is "fifty-two million, twenty-five thousand, thirty-one".

Divisors: 1 3 9 27 67 201 603 1809 28759 86277 258831 776493 1926853 5780559 17341677 52025031