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90136095 = 3571945181
BaseRepresentation
bin1010101111101…
…01111000011111
320021121101110220
411113311320133
5141033323340
612535532423
72143100310
oct527657037
9207541426
1090136095
1146974645
122622a113
131589bb8a
14bd84607
157da6ed0
hex55f5e1f

90136095 has 32 divisors (see below), whose sum is σ = 173498880. Its totient is φ = 39035520.

The previous prime is 90136061. The next prime is 90136099. The reversal of 90136095 is 59063109.

It is not a de Polignac number, because 90136095 - 27 = 90135967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90136099) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20596 + ... + 24585.

It is an arithmetic number, because the mean of its divisors is an integer number (5421840).

Almost surely, 290136095 is an apocalyptic number.

90136095 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

90136095 is a deficient number, since it is larger than the sum of its proper divisors (83362785).

90136095 is a wasteful number, since it uses less digits than its factorization.

90136095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45215.

The product of its (nonzero) digits is 7290, while the sum is 33.

The square root of 90136095 is about 9494.0031072251. The cubic root of 90136095 is about 448.3662485872.

The spelling of 90136095 in words is "ninety million, one hundred thirty-six thousand, ninety-five".

Divisors: 1 3 5 7 15 19 21 35 57 95 105 133 285 399 665 1995 45181 135543 225905 316267 677715 858439 948801 1581335 2575317 4292195 4744005 6009073 12876585 18027219 30045365 90136095