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131575742 = 2165739703
BaseRepresentation
bin1111101011110…
…10111110111110
3100011120201222122
413311322332332
5232140410432
621020042542
73155242514
oct765727676
9304521878
10131575742
11682a8891
1238093452
132134aa8c
14136904b4
15b840612
hex7d7afbe

131575742 has 8 divisors (see below), whose sum is σ = 197487696. Its totient is φ = 65746512.

The previous prime is 131575681. The next prime is 131575751. The reversal of 131575742 is 247575131.

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, 16538 + ... + 23165.

It is an arithmetic number, because the mean of its divisors is an integer number (24685962).

Almost surely, 2131575742 is an apocalyptic number.

131575742 is a deficient number, since it is larger than the sum of its proper divisors (65911954).

131575742 is a wasteful number, since it uses less digits than its factorization.

131575742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41362.

The product of its digits is 29400, while the sum is 35.

The square root of 131575742 is about 11470.6469739069. The cubic root of 131575742 is about 508.6182539126.

The spelling of 131575742 in words is "one hundred thirty-one million, five hundred seventy-five thousand, seven hundred forty-two".

Divisors: 1 2 1657 3314 39703 79406 65787871 131575742