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131400268 = 2271462677
BaseRepresentation
bin1111101010100…
…00001001001100
3100011020211021121
413311100021030
5232114302033
621012210324
73153612106
oct765201114
9304224247
10131400268
1168198a6a
12380099a4
13212b8c4c
1413646576
15b80862d
hex7d5024c

131400268 has 12 divisors (see below), whose sum is σ = 233189712. Its totient is φ = 64774640.

The previous prime is 131400253. The next prime is 131400271. The reversal of 131400268 is 862004131.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231055 + ... + 231622.

It is an arithmetic number, because the mean of its divisors is an integer number (19432476).

Almost surely, 2131400268 is an apocalyptic number.

It is an amenable number.

131400268 is a deficient number, since it is larger than the sum of its proper divisors (101789444).

131400268 is a wasteful number, since it uses less digits than its factorization.

131400268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462752 (or 462750 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 131400268 is about 11462.9955945207. The cubic root of 131400268 is about 508.3920496421.

Adding to 131400268 its reverse (862004131), we get a palindrome (993404399).

The spelling of 131400268 in words is "one hundred thirty-one million, four hundred thousand, two hundred sixty-eight".

Divisors: 1 2 4 71 142 284 462677 925354 1850708 32850067 65700134 131400268