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88668645 = 3513454711
BaseRepresentation
bin1010100100011…
…11100111100101
320011211211111220
411102033213211
5140144344040
612444250553
72124446112
oct522174745
9204754456
1088668645
114606207a
1225840a59
13154a6c70
14bac1909
157bb72d0
hex548f9e5

88668645 has 16 divisors (see below), whose sum is σ = 152783232. Its totient is φ = 43652160.

The previous prime is 88668637. The next prime is 88668659. The reversal of 88668645 is 54686688.

It is not a de Polignac number, because 88668645 - 23 = 88668637 is a prime.

It is a super-2 number, since 2×886686452 = 15724257212272050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227161 + ... + 227550.

It is an arithmetic number, because the mean of its divisors is an integer number (9548952).

Almost surely, 288668645 is an apocalyptic number.

It is an amenable number.

88668645 is a deficient number, since it is larger than the sum of its proper divisors (64114587).

88668645 is a wasteful number, since it uses less digits than its factorization.

88668645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454732.

The product of its digits is 2211840, while the sum is 51.

The square root of 88668645 is about 9416.4029756590. The cubic root of 88668645 is about 445.9197322486.

The spelling of 88668645 in words is "eighty-eight million, six hundred sixty-eight thousand, six hundred forty-five".

Divisors: 1 3 5 13 15 39 65 195 454711 1364133 2273555 5911243 6820665 17733729 29556215 88668645