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85276579 = 1914393119
BaseRepresentation
bin1010001010100…
…11011110100011
312221110111110211
411011103132203
5133312322304
612243434551
72053560523
oct505233643
9187414424
1085276579
1144155613
1224685a57
131488a01b
14b47b683
157747204
hex51537a3

85276579 has 8 divisors (see below), whose sum is σ = 89856000. Its totient is φ = 80706312.

The previous prime is 85276553. The next prime is 85276619. The reversal of 85276579 is 97567258.

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 85276579 - 29 = 85276067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85276979) 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, 25782 + ... + 28900.

It is an arithmetic number, because the mean of its divisors is an integer number (11232000).

Almost surely, 285276579 is an apocalyptic number.

85276579 is a deficient number, since it is larger than the sum of its proper divisors (4579421).

85276579 is a wasteful number, since it uses less digits than its factorization.

85276579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4577.

The product of its digits is 1058400, while the sum is 49.

The square root of 85276579 is about 9234.5318776861. The cubic root of 85276579 is about 440.1593413939.

The spelling of 85276579 in words is "eighty-five million, two hundred seventy-six thousand, five hundred seventy-nine".

Divisors: 1 19 1439 3119 27341 59261 4488241 85276579