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20131134 = 234771387
BaseRepresentation
bin100110011001…
…0110100111110
31101212202201120
41030302310332
520123144014
61555251410
7333053232
oct114626476
941782646
1020131134
11103aa901
1268a9b66
13422b01a
1429605c2
151b79ba9
hex1332d3e

20131134 has 16 divisors (see below), whose sum is σ = 41119488. Its totient is φ = 6567512.

The previous prime is 20131129. The next prime is 20131147. The reversal of 20131134 is 43113102.

It is a super-2 number, since 2×201311342 = 810525112251912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35412 + ... + 35975.

It is an arithmetic number, because the mean of its divisors is an integer number (2569968).

Almost surely, 220131134 is an apocalyptic number.

20131134 is an abundant number, since it is smaller than the sum of its proper divisors (20988354).

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

20131134 is a wasteful number, since it uses less digits than its factorization.

20131134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71439.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 20131134 is about 4486.7732280560. The cubic root of 20131134 is about 272.0337238319.

Adding to 20131134 its reverse (43113102), we get a palindrome (63244236).

The spelling of 20131134 in words is "twenty million, one hundred thirty-one thousand, one hundred thirty-four".

Divisors: 1 2 3 6 47 94 141 282 71387 142774 214161 428322 3355189 6710378 10065567 20131134