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131152402 = 2193451379
BaseRepresentation
bin1111101000100…
…11101000010010
3100010210020021101
413310103220102
5232033334102
621003015014
73151530343
oct764235022
9303706241
10131152402
1168039817
1237b0a46a
1321230194
14135c00ca
15b7a9e87
hex7d13a12

131152402 has 8 divisors (see below), whose sum is σ = 207082800. Its totient is φ = 62124804.

The previous prime is 131152327. The next prime is 131152423. The reversal of 131152402 is 204251131.

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

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 131152402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1725652 + ... + 1725727.

It is an arithmetic number, because the mean of its divisors is an integer number (25885350).

Almost surely, 2131152402 is an apocalyptic number.

131152402 is a deficient number, since it is larger than the sum of its proper divisors (75930398).

131152402 is a wasteful number, since it uses less digits than its factorization.

131152402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3451400.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 131152402 is about 11452.1789193149. The cubic root of 131152402 is about 508.0721811378.

The spelling of 131152402 in words is "one hundred thirty-one million, one hundred fifty-two thousand, four hundred two".

Divisors: 1 2 19 38 3451379 6902758 65576201 131152402