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87085033 = 717731807
BaseRepresentation
bin1010011000011…
…00111111101001
320001212101012121
411030030333221
5134243210113
612350311241
72105132140
oct514147751
9201771177
1087085033
1145180302
12251b8521
1315071209
14b7cc757
1579a2e8d
hex530cfe9

87085033 has 8 divisors (see below), whose sum is σ = 105380352. Its totient is φ = 70253376.

The previous prime is 87085027. The next prime is 87085039. The reversal of 87085033 is 33058078.

It is an interprime number because it is at equal distance from previous prime (87085027) and next prime (87085039).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87085033 - 29 = 87084521 is a prime.

It is a super-2 number, since 2×870850332 = 15167605945222178, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87085033.

It is not an unprimeable number, because it can be changed into a prime (87085039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365785 + ... + 366022.

It is an arithmetic number, because the mean of its divisors is an integer number (13172544).

Almost surely, 287085033 is an apocalyptic number.

It is an amenable number.

87085033 is a deficient number, since it is larger than the sum of its proper divisors (18295319).

87085033 is a wasteful number, since it uses less digits than its factorization.

87085033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731831.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 87085033 is about 9331.9361870943. The cubic root of 87085033 is about 443.2490773355.

The spelling of 87085033 in words is "eighty-seven million, eighty-five thousand, thirty-three".

Divisors: 1 7 17 119 731807 5122649 12440719 87085033