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131387702 = 2619106129
BaseRepresentation
bin1111101010011…
…01000100110110
3100011020012001012
413311031010312
5232113401302
621012032222
73153530345
oct765150466
9304205035
10131387702
116818a586
1238002672
13212b3304
1413641b5c
15b804a52
hex7d4d136

131387702 has 8 divisors (see below), whose sum is σ = 197401800. Its totient is φ = 65587104.

The previous prime is 131387647. The next prime is 131387731. The reversal of 131387702 is 207783131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 51827 + ... + 54302.

It is an arithmetic number, because the mean of its divisors is an integer number (24675225).

Almost surely, 2131387702 is an apocalyptic number.

131387702 is a deficient number, since it is larger than the sum of its proper divisors (66014098).

131387702 is a wasteful number, since it uses less digits than its factorization.

131387702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106750.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 131387702 is about 11462.4474698905. The cubic root of 131387702 is about 508.3758430334.

The spelling of 131387702 in words is "one hundred thirty-one million, three hundred eighty-seven thousand, seven hundred two".

Divisors: 1 2 619 1238 106129 212258 65693851 131387702