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85052351 = 257330943
BaseRepresentation
bin1010001000111…
…00101110111111
312221001002220002
411010130232333
5133233133401
612234544515
72051635016
oct504345677
9187032802
1085052351
11440120aa
122459813b
131480bc47
14b41da7d
157700a6b
hex511cbbf

85052351 has 4 divisors (see below), whose sum is σ = 85383552. Its totient is φ = 84721152.

The previous prime is 85052339. The next prime is 85052393. The reversal of 85052351 is 15325058.

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 85052351 - 26 = 85052287 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 (85052951) 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, 165215 + ... + 165728.

It is an arithmetic number, because the mean of its divisors is an integer number (21345888).

Almost surely, 285052351 is an apocalyptic number.

85052351 is a deficient number, since it is larger than the sum of its proper divisors (331201).

85052351 is a wasteful number, since it uses less digits than its factorization.

85052351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331200.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 85052351 is about 9222.3831518757. The cubic root of 85052351 is about 439.7732147418.

The spelling of 85052351 in words is "eighty-five million, fifty-two thousand, three hundred fifty-one".

Divisors: 1 257 330943 85052351