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123875997 = 3727121767
BaseRepresentation
bin1110110001000…
…11001010011101
322122002112220220
413120203022131
5223203012442
620143031553
73032633340
oct730431235
9278075826
10123875997
1163a19963
123559b5b9
131c88320b
1412648457
15ad1deec
hex762329d

123875997 has 16 divisors (see below), whose sum is σ = 189468672. Its totient is φ = 70521840.

The previous prime is 123875989. The next prime is 123876013. The reversal of 123875997 is 799578321.

It is not a de Polignac number, because 123875997 - 23 = 123875989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123875797) 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, 5193 + ... + 16574.

It is an arithmetic number, because the mean of its divisors is an integer number (11841792).

Almost surely, 2123875997 is an apocalyptic number.

It is an amenable number.

123875997 is a deficient number, since it is larger than the sum of its proper divisors (65592675).

123875997 is a wasteful number, since it uses less digits than its factorization.

123875997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22048.

The product of its digits is 952560, while the sum is 51.

The square root of 123875997 is about 11129.9594338883. The cubic root of 123875997 is about 498.4968147302.

The spelling of 123875997 in words is "one hundred twenty-three million, eight hundred seventy-five thousand, nine hundred ninety-seven".

Divisors: 1 3 7 21 271 813 1897 5691 21767 65301 152369 457107 5898857 17696571 41291999 123875997