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85574017 = 347246611
BaseRepresentation
bin1010001100111…
…00000110000001
312222000121111001
411012130012001
5133401332032
612254052001
72056236634
oct506340601
9188017431
1085574017
1144339031
12247aa001
1314962519
14b517c1b
1577a53e7
hex519c181

85574017 has 4 divisors (see below), whose sum is σ = 85820976. Its totient is φ = 85327060.

The previous prime is 85574003. The next prime is 85574023. The reversal of 85574017 is 71047558.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-85574017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85574087) 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, 122959 + ... + 123652.

It is an arithmetic number, because the mean of its divisors is an integer number (21455244).

Almost surely, 285574017 is an apocalyptic number.

It is an amenable number.

85574017 is a deficient number, since it is larger than the sum of its proper divisors (246959).

85574017 is a wasteful number, since it uses less digits than its factorization.

85574017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246958.

The product of its (nonzero) digits is 39200, while the sum is 37.

The square root of 85574017 is about 9250.6225195929. The cubic root of 85574017 is about 440.6704946201.

The spelling of 85574017 in words is "eighty-five million, five hundred seventy-four thousand, seventeen".

Divisors: 1 347 246611 85574017