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131745002 = 2173874853
BaseRepresentation
bin1111101101001…
…00010011101010
3100011220100011112
413312210103222
5232211320002
621023430322
73156546134
oct766442352
9304810145
10131745002
1168403a74
12381553a2
13213a9b2c
14136d6054
15b875852
hex7da44ea

131745002 has 8 divisors (see below), whose sum is σ = 209242116. Its totient is φ = 61997632.

The previous prime is 131744983. The next prime is 131745007. The reversal of 131745002 is 200547131.

It can be written as a sum of positive squares in 2 ways, for example, as 124121881 + 7623121 = 11141^2 + 2761^2 .

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

It is not an unprimeable number, because it can be changed into a prime (131745007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1937393 + ... + 1937460.

Almost surely, 2131745002 is an apocalyptic number.

131745002 is a deficient number, since it is larger than the sum of its proper divisors (77497114).

131745002 is a wasteful number, since it uses less digits than its factorization.

131745002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3874872.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 131745002 is about 11478.0225648846. The cubic root of 131745002 is about 508.8362572103.

The spelling of 131745002 in words is "one hundred thirty-one million, seven hundred forty-five thousand, two".

Divisors: 1 2 17 34 3874853 7749706 65872501 131745002