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87232402 = 2331131771
BaseRepresentation
bin1010011001100…
…00111110010010
320002010212100201
411030300332102
5134312414102
612353405414
72106314605
oct514607622
9202125321
1087232402
1145270aa4
122526986a
13150c330a
14b82a33c
1579d1987
hex5330f92

87232402 has 8 divisors (see below), whose sum is σ = 131244912. Its totient is φ = 43484100.

The previous prime is 87232361. The next prime is 87232417. The reversal of 87232402 is 20423278.

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

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, 65224 + ... + 66547.

It is an arithmetic number, because the mean of its divisors is an integer number (16405614).

Almost surely, 287232402 is an apocalyptic number.

87232402 is a deficient number, since it is larger than the sum of its proper divisors (44012510).

87232402 is a wasteful number, since it uses less digits than its factorization.

87232402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132104.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 87232402 is about 9339.8287992875. The cubic root of 87232402 is about 443.4989647509.

The spelling of 87232402 in words is "eighty-seven million, two hundred thirty-two thousand, four hundred two".

Divisors: 1 2 331 662 131771 263542 43616201 87232402