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85276493 = 676112613
BaseRepresentation
bin1010001010100…
…11011101001101
312221110111100122
411011103131031
5133312321433
612243434325
72053560341
oct505233515
9187414318
1085276493
1144155545
12246859a5
1314889c83
14b47b621
157747198
hex515374d

85276493 has 4 divisors (see below), whose sum is σ = 85295868. Its totient is φ = 85257120.

The previous prime is 85276489. The next prime is 85276531. The reversal of 85276493 is 39467258.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52809289 + 32467204 = 7267^2 + 5698^2 .

It is a cyclic number.

It is not a de Polignac number, because 85276493 - 22 = 85276489 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85276423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455 + ... + 13067.

It is an arithmetic number, because the mean of its divisors is an integer number (21323967).

Almost surely, 285276493 is an apocalyptic number.

It is an amenable number.

85276493 is a deficient number, since it is larger than the sum of its proper divisors (19375).

85276493 is a wasteful number, since it uses less digits than its factorization.

85276493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19374.

The product of its digits is 362880, while the sum is 44.

The square root of 85276493 is about 9234.5272212496. The cubic root of 85276493 is about 440.1591934294.

The spelling of 85276493 in words is "eighty-five million, two hundred seventy-six thousand, four hundred ninety-three".

Divisors: 1 6761 12613 85276493