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85413457 = 177963599
BaseRepresentation
bin1010001011101…
…00111001010001
312221201110020101
411011310321101
5133331212312
612250412401
72055000553
oct505647121
9187643211
1085413457
1144239438
1224731101
131490740c
14b4b54d3
157772a57
hex5174e51

85413457 has 8 divisors (see below), whose sum is σ = 91584000. Its totient is φ = 79370304.

The previous prime is 85413451. The next prime is 85413479. The reversal of 85413457 is 75431458.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-85413457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85413451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30457 + ... + 33142.

It is an arithmetic number, because the mean of its divisors is an integer number (11448000).

Almost surely, 285413457 is an apocalyptic number.

It is an amenable number.

85413457 is a deficient number, since it is larger than the sum of its proper divisors (6170543).

85413457 is a wasteful number, since it uses less digits than its factorization.

85413457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63695.

The product of its digits is 67200, while the sum is 37.

The square root of 85413457 is about 9241.9401101717. The cubic root of 85413457 is about 440.3947163932.

The spelling of 85413457 in words is "eighty-five million, four hundred thirteen thousand, four hundred fifty-seven".

Divisors: 1 17 79 1343 63599 1081183 5024321 85413457