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85247651 = 416731033
BaseRepresentation
bin1010001010011…
…00011010100011
312221102000210102
411011030122203
5133310411101
612243053015
72053410266
oct505143243
9187360712
1085247651
1144135905
122467116b
1314879ac8
14b470cdd
15773d86b
hex514c6a3

85247651 has 8 divisors (see below), whose sum is σ = 88633104. Its totient is φ = 81924480.

The previous prime is 85247647. The next prime is 85247677. The reversal of 85247651 is 15674258.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85247651 - 22 = 85247647 is a prime.

It is a super-3 number, since 3×852476513 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85247681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12770 + ... + 18263.

It is an arithmetic number, because the mean of its divisors is an integer number (11079138).

Almost surely, 285247651 is an apocalyptic number.

85247651 is a deficient number, since it is larger than the sum of its proper divisors (3385453).

85247651 is a wasteful number, since it uses less digits than its factorization.

85247651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31141.

The product of its digits is 67200, while the sum is 38.

The square root of 85247651 is about 9232.9654499516. The cubic root of 85247651 is about 440.1095646571.

The spelling of 85247651 in words is "eighty-five million, two hundred forty-seven thousand, six hundred fifty-one".

Divisors: 1 41 67 2747 31033 1272353 2079211 85247651