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131432104 = 2361326801
BaseRepresentation
bin1111101010101…
…11111010101000
3100011022102221201
413311113322220
5232121311404
621013013544
73154103656
oct765277250
9304272851
10131432104
116820a981
12380242b4
13212ca59b
1413653dd6
15b812ca4
hex7d57ea8

131432104 has 16 divisors (see below), whose sum is σ = 246846420. Its totient is φ = 65606400.

The previous prime is 131432087. The next prime is 131432107. The reversal of 131432104 is 401234131.

131432104 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 106131204 + 25300900 = 10302^2 + 5030^2 .

It is not an unprimeable number, because it can be changed into a prime (131432107) 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 in 3 ways as a sum of consecutive naturals, for example, 8497 + ... + 18304.

Almost surely, 2131432104 is an apocalyptic number.

It is an amenable number.

131432104 is a deficient number, since it is larger than the sum of its proper divisors (115414316).

131432104 is a wasteful number, since it uses less digits than its factorization.

131432104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27420 (or 27416 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 131432104 is about 11464.3841526704. The cubic root of 131432104 is about 508.4331045110.

Adding to 131432104 its reverse (401234131), we get a palindrome (532666235).

The spelling of 131432104 in words is "one hundred thirty-one million, four hundred thirty-two thousand, one hundred four".

Divisors: 1 2 4 8 613 1226 2452 4904 26801 53602 107204 214408 16429013 32858026 65716052 131432104