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87338030 = 2513671831
BaseRepresentation
bin1010011010010…
…10110000101110
320002100020020212
411031022300232
5134324304110
612355542422
72110234553
oct515126056
9202306225
1087338030
114533339a
12252baa12
131512c410
14b856a2a
157a02e05
hex534ac2e

87338030 has 16 divisors (see below), whose sum is σ = 169301664. Its totient is φ = 32247840.

The previous prime is 87338029. The next prime is 87338059. The reversal of 87338030 is 3083378.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 335786 + ... + 336045.

It is an arithmetic number, because the mean of its divisors is an integer number (10581354).

Almost surely, 287338030 is an apocalyptic number.

87338030 is a deficient number, since it is larger than the sum of its proper divisors (81963634).

87338030 is a wasteful number, since it uses less digits than its factorization.

87338030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671851.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 87338030 is about 9345.4817960338. The cubic root of 87338030 is about 443.6779006051.

The spelling of 87338030 in words is "eighty-seven million, three hundred thirty-eight thousand, thirty".

Divisors: 1 2 5 10 13 26 65 130 671831 1343662 3359155 6718310 8733803 17467606 43669015 87338030