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53470131 = 311131131103
BaseRepresentation
bin1100101111111…
…0001110110011
310201121120020020
43023332032303
5102142021011
65150014523
71216326411
oct313761663
9121546206
1053470131
11282009a0
1215aa7443
13b101a40
14715c2b1
154a63006
hex32fe3b3

53470131 has 32 divisors (see below), whose sum is σ = 84575232. Its totient is φ = 29621760.

The previous prime is 53470129. The next prime is 53470159. The reversal of 53470131 is 13107435.

It is not a de Polignac number, because 53470131 - 21 = 53470129 is a prime.

It is a super-2 number, since 2×534701312 = 5718109818314322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53470121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47926 + ... + 49028.

It is an arithmetic number, because the mean of its divisors is an integer number (2642976).

Almost surely, 253470131 is an apocalyptic number.

53470131 is a deficient number, since it is larger than the sum of its proper divisors (31105101).

53470131 is a wasteful number, since it uses less digits than its factorization.

53470131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 53470131 is about 7312.3273312947. The cubic root of 53470131 is about 376.7359656174.

Adding to 53470131 its reverse (13107435), we get a palindrome (66577566).

The spelling of 53470131 in words is "fifty-three million, four hundred seventy thousand, one hundred thirty-one".

Divisors: 1 3 11 13 33 39 113 143 339 429 1103 1243 1469 3309 3729 4407 12133 14339 16159 36399 43017 48477 124639 157729 373917 473187 1371029 1620307 4113087 4860921 17823377 53470131