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85425113 = 157544109
BaseRepresentation
bin1010001011101…
…11101111011001
312221202001020002
411011313233121
5133332100423
612250542345
72055046544
oct505675731
9187661202
1085425113
1144247174
12247379b5
131490c807
14b4b985b
157776228
hex5177bd9

85425113 has 4 divisors (see below), whose sum is σ = 85969380. Its totient is φ = 84880848.

The previous prime is 85425103. The next prime is 85425139. The reversal of 85425113 is 31152458.

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 16999129 + 68425984 = 4123^2 + 8272^2 .

It is a cyclic number.

It is not a de Polignac number, because 85425113 - 26 = 85425049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85425103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271898 + ... + 272211.

It is an arithmetic number, because the mean of its divisors is an integer number (21492345).

Almost surely, 285425113 is an apocalyptic number.

It is an amenable number.

85425113 is a deficient number, since it is larger than the sum of its proper divisors (544267).

85425113 is a wasteful number, since it uses less digits than its factorization.

85425113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544266.

The product of its digits is 4800, while the sum is 29.

The square root of 85425113 is about 9242.5706921830. The cubic root of 85425113 is about 440.4147483940.

The spelling of 85425113 in words is "eighty-five million, four hundred twenty-five thousand, one hundred thirteen".

Divisors: 1 157 544109 85425113