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85135292 = 22116728879
BaseRepresentation
bin1010001001100…
…00111110111100
312221012022122222
411010300332330
5133243312132
612240424512
72052431564
oct504607674
9187168588
1085135292
1144069450
1224618138
131483a918
14b441da4
15771a412
hex5130fbc

85135292 has 24 divisors (see below), whose sum is σ = 164962560. Its totient is φ = 38118960.

The previous prime is 85135277. The next prime is 85135307. The reversal of 85135292 is 29253158.

It is an interprime number because it is at equal distance from previous prime (85135277) and next prime (85135307).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11492 + ... + 17387.

It is an arithmetic number, because the mean of its divisors is an integer number (6873440).

Almost surely, 285135292 is an apocalyptic number.

It is an amenable number.

85135292 is a deficient number, since it is larger than the sum of its proper divisors (79827268).

85135292 is a wasteful number, since it uses less digits than its factorization.

85135292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28961 (or 28959 counting only the distinct ones).

The product of its digits is 21600, while the sum is 35.

The square root of 85135292 is about 9226.8787788721. The cubic root of 85135292 is about 439.9161203742.

The spelling of 85135292 in words is "eighty-five million, one hundred thirty-five thousand, two hundred ninety-two".

Divisors: 1 2 4 11 22 44 67 134 268 737 1474 2948 28879 57758 115516 317669 635338 1270676 1934893 3869786 7739572 21283823 42567646 85135292