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85033908 = 22336771163
BaseRepresentation
bin1010001000110…
…00001110110100
312221000011121000
411010120032310
5133232041113
612234323300
72051530161
oct504301664
9187004530
1085033908
1143aaa263
1224589530
131480372b
14b417068
1576ea373
hex51183b4

85033908 has 48 divisors (see below), whose sum is σ = 220973760. Its totient is φ = 28278432.

The previous prime is 85033903. The next prime is 85033909. The reversal of 85033908 is 80933058.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85033901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72535 + ... + 73697.

It is an arithmetic number, because the mean of its divisors is an integer number (4603620).

Almost surely, 285033908 is an apocalyptic number.

It is an amenable number.

85033908 is an abundant number, since it is smaller than the sum of its proper divisors (135939852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85033908 is a wasteful number, since it uses less digits than its factorization.

85033908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853 (or 1845 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 85033908 is about 9221.3831934260. The cubic root of 85033908 is about 439.7414252081.

The spelling of 85033908 in words is "eighty-five million, thirty-three thousand, nine hundred eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 677 1163 1354 2031 2326 2708 3489 4062 4652 6093 6978 8124 10467 12186 13956 18279 20934 24372 31401 36558 41868 62802 73116 125604 787351 1574702 2362053 3149404 4724106 7086159 9448212 14172318 21258477 28344636 42516954 85033908