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85470755 = 517094151
BaseRepresentation
bin1010001100000…
…10111000100011
312221211100211112
411012002320203
5133340031010
612251533535
72055326606
oct506027043
9187740745
1085470755
1144278497
122475a2ab
1314927516
14b4cc33d
157784a05
hex5182e23

85470755 has 4 divisors (see below), whose sum is σ = 102564912. Its totient is φ = 68376600.

The previous prime is 85470733. The next prime is 85470793. The reversal of 85470755 is 55707458.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55707458 = 227853729.

It is not a de Polignac number, because 85470755 - 28 = 85470499 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8547071 + ... + 8547080.

It is an arithmetic number, because the mean of its divisors is an integer number (25641228).

Almost surely, 285470755 is an apocalyptic number.

85470755 is a deficient number, since it is larger than the sum of its proper divisors (17094157).

85470755 is a wasteful number, since it uses less digits than its factorization.

85470755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17094156.

The product of its (nonzero) digits is 196000, while the sum is 41.

The square root of 85470755 is about 9245.0394807161. The cubic root of 85470755 is about 440.4931711992.

The spelling of 85470755 in words is "eighty-five million, four hundred seventy thousand, seven hundred fifty-five".

Divisors: 1 5 17094151 85470755