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85249274 = 2117154577
BaseRepresentation
bin1010001010011…
…00110011111010
312221102010000112
411011030303322
5133310434044
612243104322
72053415105
oct505146372
9187363015
1085249274
1144137050
12246720a2
131487a776
14b47173c
15773e09e
hex514ccfa

85249274 has 16 divisors (see below), whose sum is σ = 141466176. Its totient is φ = 38203200.

The previous prime is 85249267. The next prime is 85249279. The reversal of 85249274 is 47294258.

It is not an unprimeable number, because it can be changed into a prime (85249279) 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, 25727 + ... + 28850.

It is an arithmetic number, because the mean of its divisors is an integer number (8841636).

Almost surely, 285249274 is an apocalyptic number.

85249274 is a deficient number, since it is larger than the sum of its proper divisors (56216902).

85249274 is a wasteful number, since it uses less digits than its factorization.

85249274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54661.

The product of its digits is 161280, while the sum is 41.

The square root of 85249274 is about 9233.0533411218. The cubic root of 85249274 is about 440.1123576697.

The spelling of 85249274 in words is "eighty-five million, two hundred forty-nine thousand, two hundred seventy-four".

Divisors: 1 2 11 22 71 142 781 1562 54577 109154 600347 1200694 3874967 7749934 42624637 85249274