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85610254 = 242805127
BaseRepresentation
bin1010001101001…
…00111100001110
312222002110012011
411012210330032
5133404012004
612254531434
72056450402
oct506447416
9188073164
1085610254
1144363284
1224806b7a
1314975b72
14b527102
1577b1004
hex51a4f0e

85610254 has 4 divisors (see below), whose sum is σ = 128415384. Its totient is φ = 42805126.

The previous prime is 85610243. The next prime is 85610263. The reversal of 85610254 is 45201658.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 21402562 + ... + 21402565.

It is an arithmetic number, because the mean of its divisors is an integer number (32103846).

Almost surely, 285610254 is an apocalyptic number.

85610254 is a deficient number, since it is larger than the sum of its proper divisors (42805130).

85610254 is a wasteful number, since it uses less digits than its factorization.

85610254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42805129.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 85610254 is about 9252.5809372304. The cubic root of 85610254 is about 440.7326876541.

The spelling of 85610254 in words is "eighty-five million, six hundred ten thousand, two hundred fifty-four".

Divisors: 1 2 42805127 85610254