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87330430 = 25112513163
BaseRepresentation
bin1010011010010…
…00111001111110
320002022211211101
411031020321332
5134324033210
612355443314
72110203445
oct515107176
9202284741
1087330430
1145328710
12252b653a
1315128b15
14b853d5c
157a00a3a
hex5348e7e

87330430 has 32 divisors (see below), whose sum is σ = 172222848. Its totient is φ = 31620000.

The previous prime is 87330427. The next prime is 87330431. The reversal of 87330430 is 3403378.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87330431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26029 + ... + 29191.

It is an arithmetic number, because the mean of its divisors is an integer number (5381964).

Almost surely, 287330430 is an apocalyptic number.

87330430 is a deficient number, since it is larger than the sum of its proper divisors (84892418).

87330430 is a wasteful number, since it uses less digits than its factorization.

87330430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3432.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 87330430 is about 9345.0751735874. The cubic root of 87330430 is about 443.6650308779.

The spelling of 87330430 in words is "eighty-seven million, three hundred thirty thousand, four hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 251 502 1255 2510 2761 3163 5522 6326 13805 15815 27610 31630 34793 69586 173965 347930 793913 1587826 3969565 7939130 8733043 17466086 43665215 87330430