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87308074 = 2716273833
BaseRepresentation
bin1010011010000…
…11011100101010
320002021201011101
411031003130222
5134322324244
612355152014
72110051330
oct515033452
9202251141
1087308074
1145312937
12252a560a
131511b8a9
14b849b50
1579e90d4
hex534372a

87308074 has 16 divisors (see below), whose sum is σ = 149802048. Its totient is φ = 37384992.

The previous prime is 87308063. The next prime is 87308087. The reversal of 87308074 is 47080378.

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, 20862 + ... + 24694.

It is an arithmetic number, because the mean of its divisors is an integer number (9362628).

Almost surely, 287308074 is an apocalyptic number.

87308074 is a deficient number, since it is larger than the sum of its proper divisors (62493974).

87308074 is a wasteful number, since it uses less digits than its factorization.

87308074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5469.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 87308074 is about 9343.8789589763. The cubic root of 87308074 is about 443.6271692302.

The spelling of 87308074 in words is "eighty-seven million, three hundred eight thousand, seventy-four".

Divisors: 1 2 7 14 1627 3254 3833 7666 11389 22778 26831 53662 6236291 12472582 43654037 87308074