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85254763 = 117750433
BaseRepresentation
bin1010001010011…
…10001001101011
312221102101112211
411011032021223
5133311123023
612243145551
72053440106
oct505161153
9187371484
1085254763
1144140190
12246752b7
1314880109
14b47373d
157740a0d
hex514e26b

85254763 has 4 divisors (see below), whose sum is σ = 93005208. Its totient is φ = 77504320.

The previous prime is 85254749. The next prime is 85254769. The reversal of 85254763 is 36745258.

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

It is a cyclic number.

It is not a de Polignac number, because 85254763 - 25 = 85254731 is a prime.

It is a super-2 number, since 2×852547632 = 14536749228372338, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85254769) 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 3 ways as a sum of consecutive naturals, for example, 3875206 + ... + 3875227.

It is an arithmetic number, because the mean of its divisors is an integer number (23251302).

Almost surely, 285254763 is an apocalyptic number.

85254763 is a deficient number, since it is larger than the sum of its proper divisors (7750445).

85254763 is a wasteful number, since it uses less digits than its factorization.

85254763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7750444.

The product of its digits is 201600, while the sum is 40.

The square root of 85254763 is about 9233.3505836181. The cubic root of 85254763 is about 440.1218033998.

The spelling of 85254763 in words is "eighty-five million, two hundred fifty-four thousand, seven hundred sixty-three".

Divisors: 1 11 7750433 85254763