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85057651 = 797125269
BaseRepresentation
bin1010001000111…
…10000001110011
312221001101011101
411010132001303
5133233321101
612235025231
72051656330
oct504360163
9187041141
1085057651
1144016088
122459b217
1314811493
14b421987
157702401
hex511e073

85057651 has 8 divisors (see below), whose sum is σ = 98211680. Its totient is φ = 72154368.

The previous prime is 85057601. The next prime is 85057663. The reversal of 85057651 is 15675058.

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 85057651 - 27 = 85057523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85057651.

It is not an unprimeable number, because it can be changed into a prime (85057601) 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, 61956 + ... + 63313.

It is an arithmetic number, because the mean of its divisors is an integer number (12276460).

Almost surely, 285057651 is an apocalyptic number.

85057651 is a deficient number, since it is larger than the sum of its proper divisors (13154029).

85057651 is a wasteful number, since it uses less digits than its factorization.

85057651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125373.

The product of its (nonzero) digits is 42000, while the sum is 37.

The square root of 85057651 is about 9222.6704917827. The cubic root of 85057651 is about 439.7823493104.

The spelling of 85057651 in words is "eighty-five million, fifty-seven thousand, six hundred fifty-one".

Divisors: 1 7 97 679 125269 876883 12151093 85057651