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85155095 = 583449457
BaseRepresentation
bin1010001001101…
…01110100010111
312221020022211102
411010311310113
5133244430340
612241100315
72052543404
oct504656427
9187208742
1085155095
1144082313
122462769b
131484693c
14b4492ab
157721215
hex5135d17

85155095 has 16 divisors (see below), whose sum is σ = 103874400. Its totient is φ = 67006464.

The previous prime is 85155067. The next prime is 85155097. The reversal of 85155095 is 59055158.

It is a cyclic number.

It is not a de Polignac number, because 85155095 - 216 = 85089559 is a prime.

It is a super-3 number, since 3×851550953 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85155097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186107 + ... + 186563.

It is an arithmetic number, because the mean of its divisors is an integer number (6492150).

Almost surely, 285155095 is an apocalyptic number.

85155095 is a deficient number, since it is larger than the sum of its proper divisors (18719305).

85155095 is a wasteful number, since it uses less digits than its factorization.

85155095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994.

The product of its (nonzero) digits is 45000, while the sum is 38.

The square root of 85155095 is about 9227.9518312570. The cubic root of 85155095 is about 439.9502268078.

The spelling of 85155095 in words is "eighty-five million, one hundred fifty-five thousand, ninety-five".

Divisors: 1 5 83 415 449 457 2245 2285 37267 37931 186335 189655 205193 1025965 17031019 85155095