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131434204 = 22112987141
BaseRepresentation
bin1111101010110…
…00011011011100
3100011022112211111
413311120123130
5232121343304
621013031404
73154113046
oct765303334
9304275744
10131434204
1168211510
1238025564
13212cb525
1413654a96
15b813704
hex7d586dc

131434204 has 12 divisors (see below), whose sum is σ = 250919928. Its totient is φ = 59742800.

The previous prime is 131434201. The next prime is 131434217. The reversal of 131434204 is 402434131.

It is a super-2 number, since 2×1314342042 = 34549899962227232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131434201) 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, 1493527 + ... + 1493614.

It is an arithmetic number, because the mean of its divisors is an integer number (20909994).

Almost surely, 2131434204 is an apocalyptic number.

It is an amenable number.

131434204 is a deficient number, since it is larger than the sum of its proper divisors (119485724).

131434204 is a wasteful number, since it uses less digits than its factorization.

131434204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2987156 (or 2987154 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 131434204 is about 11464.4757403032. The cubic root of 131434204 is about 508.4358123827.

Adding to 131434204 its reverse (402434131), we get a palindrome (533868335).

The spelling of 131434204 in words is "one hundred thirty-one million, four hundred thirty-four thousand, two hundred four".

Divisors: 1 2 4 11 22 44 2987141 5974282 11948564 32858551 65717102 131434204