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85122996 = 2237320681
BaseRepresentation
bin1010001001011…
…01111110110100
312221011200210120
411010231332310
5133242413441
612240251540
72052351000
oct504557664
9187150716
1085122996
1144060192
1224610bb0
131483514a
14b43b700
157716966
hex512dfb4

85122996 has 48 divisors (see below), whose sum is σ = 231638400. Its totient is φ = 24319680.

The previous prime is 85122991. The next prime is 85123007. The reversal of 85122996 is 69922158.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85122991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6225 + ... + 14456.

It is an arithmetic number, because the mean of its divisors is an integer number (4825800).

Almost surely, 285122996 is an apocalyptic number.

It is an amenable number.

85122996 is an abundant number, since it is smaller than the sum of its proper divisors (146515404).

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

85122996 is a wasteful number, since it uses less digits than its factorization.

85122996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20709 (or 20693 counting only the distinct ones).

The product of its digits is 77760, while the sum is 42.

The square root of 85122996 is about 9226.2124406497. The cubic root of 85122996 is about 439.8949404815.

The spelling of 85122996 in words is "eighty-five million, one hundred twenty-two thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 196 294 343 588 686 1029 1372 2058 4116 20681 41362 62043 82724 124086 144767 248172 289534 434301 579068 868602 1013369 1737204 2026738 3040107 4053476 6080214 7093583 12160428 14187166 21280749 28374332 42561498 85122996