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85263630 = 2353797499
BaseRepresentation
bin1010001010100…
…00010100001110
312221102211201020
411011100110032
5133311414010
612243255010
72053505004
oct505202416
9187384636
1085263630
1144146911
122467a466
131488416a
14b476a74
157743470
hex515050e

85263630 has 32 divisors (see below), whose sum is σ = 205200000. Its totient is φ = 22673952.

The previous prime is 85263617. The next prime is 85263643. The reversal of 85263630 is 3636258.

It is an interprime number because it is at equal distance from previous prime (85263617) and next prime (85263643).

It is a junction number, because it is equal to n+sod(n) for n = 85263591 and 85263600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7621 + ... + 15119.

It is an arithmetic number, because the mean of its divisors is an integer number (6412500).

Almost surely, 285263630 is an apocalyptic number.

85263630 is an abundant number, since it is smaller than the sum of its proper divisors (119936370).

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

85263630 is a wasteful number, since it uses less digits than its factorization.

85263630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7888.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 85263630 is about 9233.8307326916. The cubic root of 85263630 is about 440.1370612951.

Adding to 85263630 its reverse (3636258), we get a palindrome (88899888).

The spelling of 85263630 in words is "eighty-five million, two hundred sixty-three thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 379 758 1137 1895 2274 3790 5685 7499 11370 14998 22497 37495 44994 74990 112485 224970 2842121 5684242 8526363 14210605 17052726 28421210 42631815 85263630