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85395955 = 517079191
BaseRepresentation
bin1010001011100…
…00100111110011
312221200120020011
411011300213303
5133330132310
612250155351
72054565541
oct505604763
9187616204
1085395955
1144227277
1224722b57
13148cc468
14b4acd91
15776c78a
hex51709f3

85395955 has 4 divisors (see below), whose sum is σ = 102475152. Its totient is φ = 68316760.

The previous prime is 85395953. The next prime is 85395977. The reversal of 85395955 is 55959358.

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

It is not a de Polignac number, because 85395955 - 21 = 85395953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85395899 and 85395908.

It is not an unprimeable number, because it can be changed into a prime (85395953) 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, 8539591 + ... + 8539600.

It is an arithmetic number, because the mean of its divisors is an integer number (25618788).

Almost surely, 285395955 is an apocalyptic number.

85395955 is a deficient number, since it is larger than the sum of its proper divisors (17079197).

85395955 is a wasteful number, since it uses less digits than its factorization.

85395955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17079196.

The product of its digits is 1215000, while the sum is 49.

The square root of 85395955 is about 9240.9931825535. The cubic root of 85395955 is about 440.3646340341.

It can be divided in two parts, 853 and 95955, that multiplied together give a triangular number (81849615 = T12794).

The spelling of 85395955 in words is "eighty-five million, three hundred ninety-five thousand, nine hundred fifty-five".

Divisors: 1 5 17079191 85395955