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87053413 = 1723222643
BaseRepresentation
bin1010011000001…
…01010001100101
320001210202211111
411030011101211
5134241202123
612345505021
72104641016
oct514052145
9201722744
1087053413
1145159577
12251a2171
131505c9c5
14b7c100d
15799890d
hex5305465

87053413 has 8 divisors (see below), whose sum is σ = 96182208. Its totient is φ = 78369984.

The previous prime is 87053411. The next prime is 87053423. The reversal of 87053413 is 31435078.

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

It is a cyclic number.

It is not a de Polignac number, because 87053413 - 21 = 87053411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87053411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110931 + ... + 111712.

It is an arithmetic number, because the mean of its divisors is an integer number (12022776).

Almost surely, 287053413 is an apocalyptic number.

It is an amenable number.

87053413 is a deficient number, since it is larger than the sum of its proper divisors (9128795).

87053413 is a wasteful number, since it uses less digits than its factorization.

87053413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222683.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 87053413 is about 9330.2418510990. The cubic root of 87053413 is about 443.1954239043.

The spelling of 87053413 in words is "eighty-seven million, fifty-three thousand, four hundred thirteen".

Divisors: 1 17 23 391 222643 3784931 5120789 87053413