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131432234 = 21929119267
BaseRepresentation
bin1111101010101…
…11111100101010
3100011022110010112
413311113330222
5232121312414
621013014322
73154104233
oct765277452
9304273115
10131432234
116820aa8a
12380243a2
13212ca66b
141365408a
15b812d3e
hex7d57f2a

131432234 has 16 divisors (see below), whose sum is σ = 214682400. Its totient is φ = 60110064.

The previous prime is 131432233. The next prime is 131432239. The reversal of 131432234 is 432234131.

It is not an unprimeable number, because it can be changed into a prime (131432233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58532 + ... + 60735.

It is an arithmetic number, because the mean of its divisors is an integer number (13417650).

Almost surely, 2131432234 is an apocalyptic number.

131432234 is a deficient number, since it is larger than the sum of its proper divisors (83250166).

131432234 is a wasteful number, since it uses less digits than its factorization.

131432234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119317.

The product of its digits is 1728, while the sum is 23.

The square root of 131432234 is about 11464.3898224022. The cubic root of 131432234 is about 508.4332721420.

Adding to 131432234 its reverse (432234131), we get a palindrome (563666365).

The spelling of 131432234 in words is "one hundred thirty-one million, four hundred thirty-two thousand, two hundred thirty-four".

Divisors: 1 2 19 29 38 58 551 1102 119267 238534 2266073 3458743 4532146 6917486 65716117 131432234