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131263304 = 23411572549
BaseRepresentation
bin1111101001011…
…10101101001000
3100010222212101212
413310232231020
5232100411204
621005232252
73152501564
oct764565510
9303885355
10131263304
1168105077
1237b62688
132126b7c3
141360c6a4
15b7ccc6e
hex7d2eb48

131263304 has 32 divisors (see below), whose sum is σ = 253827000. Its totient is φ = 63598080.

The previous prime is 131263291. The next prime is 131263313. The reversal of 131263304 is 403362131.

It can be written as a sum of positive squares in 4 ways, for example, as 97970404 + 33292900 = 9898^2 + 5770^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 131263304.

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, 50222 + ... + 52770.

Almost surely, 2131263304 is an apocalyptic number.

It is an amenable number.

131263304 is a deficient number, since it is larger than the sum of its proper divisors (122563696).

131263304 is a wasteful number, since it uses less digits than its factorization.

131263304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2753 (or 2749 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 131263304 is about 11457.0198568389. The cubic root of 131263304 is about 508.2153487951.

The spelling of 131263304 in words is "one hundred thirty-one million, two hundred sixty-three thousand, three hundred four".

Divisors: 1 2 4 8 41 82 157 164 314 328 628 1256 2549 5098 6437 10196 12874 20392 25748 51496 104509 209018 400193 418036 800386 836072 1600772 3201544 16407913 32815826 65631652 131263304