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52951013 = 291825897
BaseRepresentation
bin1100100111111…
…1011111100101
310200122012010122
43021333133211
5102023413023
65130531325
71212035063
oct311773745
9120565118
1052951013
1127986975
1215896b45
13ac7c67b
147065033
1549ae2c8
hex327f7e5

52951013 has 4 divisors (see below), whose sum is σ = 54776940. Its totient is φ = 51125088.

The previous prime is 52950979. The next prime is 52951027. The reversal of 52951013 is 31015925.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31114084 + 21836929 = 5578^2 + 4673^2 .

It is a cyclic number.

It is not a de Polignac number, because 52951013 - 26 = 52950949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52951513) 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, 912920 + ... + 912977.

It is an arithmetic number, because the mean of its divisors is an integer number (13694235).

Almost surely, 252951013 is an apocalyptic number.

It is an amenable number.

52951013 is a deficient number, since it is larger than the sum of its proper divisors (1825927).

52951013 is a wasteful number, since it uses less digits than its factorization.

52951013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825926.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 52951013 is about 7276.7446705240. The cubic root of 52951013 is about 375.5128107104.

Adding to 52951013 its reverse (31015925), we get a palindrome (83966938).

The spelling of 52951013 in words is "fifty-two million, nine hundred fifty-one thousand, thirteen".

Divisors: 1 29 1825897 52951013