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87311104 = 28341059
BaseRepresentation
bin1010011010001…
…00001100000000
320002021212022121
411031010030000
5134322423404
612355214024
72110063216
oct515041400
9202255277
1087311104
1145315141
12252a7314
131512009a
14b84acb6
1579e9e54
hex5344300

87311104 has 18 divisors (see below), whose sum is σ = 174281660. Its totient is φ = 43655424.

The previous prime is 87311089. The next prime is 87311111. The reversal of 87311104 is 40111378.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170274 + ... + 170785.

Almost surely, 287311104 is an apocalyptic number.

It is an amenable number.

87311104 is a deficient number, since it is larger than the sum of its proper divisors (86970556).

87311104 is an equidigital number, since it uses as much as digits as its factorization.

87311104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341075 (or 341061 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 87311104 is about 9344.0410958000. The cubic root of 87311104 is about 443.6323011526.

The spelling of 87311104 in words is "eighty-seven million, three hundred eleven thousand, one hundred four".

Divisors: 1 2 4 8 16 32 64 128 256 341059 682118 1364236 2728472 5456944 10913888 21827776 43655552 87311104