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87380875 = 533492003
BaseRepresentation
bin1010011010101…
…01001110001011
320002102102000201
411031111032023
5134332142000
612400513031
72110503511
oct515251613
9202372021
1087380875
11453625aa
122531b777
1315145a7a
14b8684b1
157a1096a
hex535538b

87380875 has 16 divisors (see below), whose sum is σ = 109418400. Its totient is φ = 69669600.

The previous prime is 87380863. The next prime is 87380903. The reversal of 87380875 is 57808378.

It is not a de Polignac number, because 87380875 - 27 = 87380747 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42624 + ... + 44626.

It is an arithmetic number, because the mean of its divisors is an integer number (6838650).

Almost surely, 287380875 is an apocalyptic number.

87380875 is a deficient number, since it is larger than the sum of its proper divisors (22037525).

87380875 is a wasteful number, since it uses less digits than its factorization.

87380875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367 (or 2357 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 46.

The square root of 87380875 is about 9347.7737991460. The cubic root of 87380875 is about 443.7504397271.

The spelling of 87380875 in words is "eighty-seven million, three hundred eighty thousand, eight hundred seventy-five".

Divisors: 1 5 25 125 349 1745 2003 8725 10015 43625 50075 250375 699047 3495235 17476175 87380875