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123428674 = 2194769109
BaseRepresentation
bin1110101101101…
…01111101000010
322121020211022101
413112311331002
5223044204144
620125301014
73026061235
oct726657502
9277224271
10123428674
1163743876
123540476a
131c757725
141256d41c
15ac816d4
hex75b5f42

123428674 has 16 divisors (see below), whose sum is σ = 199036800. Its totient is φ = 57221424.

The previous prime is 123428651. The next prime is 123428699. The reversal of 123428674 is 476824321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32769 + ... + 36340.

It is an arithmetic number, because the mean of its divisors is an integer number (12439800).

Almost surely, 2123428674 is an apocalyptic number.

123428674 is a deficient number, since it is larger than the sum of its proper divisors (75608126).

123428674 is a wasteful number, since it uses less digits than its factorization.

123428674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69177.

The product of its digits is 64512, while the sum is 37.

The square root of 123428674 is about 11109.8458135115. The cubic root of 123428674 is about 497.8960579400.

The spelling of 123428674 in words is "one hundred twenty-three million, four hundred twenty-eight thousand, six hundred seventy-four".

Divisors: 1 2 19 38 47 94 893 1786 69109 138218 1313071 2626142 3248123 6496246 61714337 123428674