Search a number
-
+
131317552 = 248207347
BaseRepresentation
bin1111101001110…
…11111100110000
3100011002121211001
413310323330300
5232104130202
621010331344
73153116002
oct764737460
9304077731
10131317552
1168141903
1237b89b54
132128a3c2
1413624372
15b7ddd87
hex7d3bf30

131317552 has 10 divisors (see below), whose sum is σ = 254427788. Its totient is φ = 65658768.

The previous prime is 131317541. The next prime is 131317559. The reversal of 131317552 is 255713131.

It is a self number, because there is not a number n which added to its sum of digits gives 131317552.

It is not an unprimeable number, because it can be changed into a prime (131317559) 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 as a sum of consecutive naturals, namely, 4103658 + ... + 4103689.

Almost surely, 2131317552 is an apocalyptic number.

It is an amenable number.

131317552 is a deficient number, since it is larger than the sum of its proper divisors (123110236).

131317552 is an equidigital number, since it uses as much as digits as its factorization.

131317552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8207355 (or 8207349 counting only the distinct ones).

The product of its digits is 3150, while the sum is 28.

The square root of 131317552 is about 11459.3870691237. The cubic root of 131317552 is about 508.2853502560.

The spelling of 131317552 in words is "one hundred thirty-one million, three hundred seventeen thousand, five hundred fifty-two".

Divisors: 1 2 4 8 16 8207347 16414694 32829388 65658776 131317552