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85006902 = 23173372473
BaseRepresentation
bin1010001000100…
…01101000110110
312220221210112210
411010101220312
5133230210102
612233554250
72051355351
oct504215066
9186853483
1085006902
1143a90a42
1224575986
13147c4356
14b40b298
1576e236c
hex5111a36

85006902 has 32 divisors (see below), whose sum is σ = 180621792. Its totient is φ = 26578944.

The previous prime is 85006897. The next prime is 85006903. The reversal of 85006902 is 20960058.

It is a self number, because there is not a number n which added to its sum of digits gives 85006902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85006903) 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, 33138 + ... + 35610.

It is an arithmetic number, because the mean of its divisors is an integer number (5644431).

Almost surely, 285006902 is an apocalyptic number.

85006902 is an abundant number, since it is smaller than the sum of its proper divisors (95614890).

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

85006902 is a wasteful number, since it uses less digits than its factorization.

85006902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2832.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 85006902 is about 9219.9187631996. The cubic root of 85006902 is about 439.6948676460.

The spelling of 85006902 in words is "eighty-five million, six thousand, nine hundred two".

Divisors: 1 2 3 6 17 34 51 102 337 674 1011 2022 2473 4946 5729 7419 11458 14838 17187 34374 42041 84082 126123 252246 833401 1666802 2500203 5000406 14167817 28335634 42503451 85006902