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123930164 = 22234728661
BaseRepresentation
bin1110110001100…
…00011000110100
322122012022020002
413120300120310
5223211231124
620144130432
73033250301
oct730603064
9278168202
10123930164
1163a56626
1235606a18
131c8a1a77
14126600a8
15ad300ae
hex7630634

123930164 has 24 divisors (see below), whose sum is σ = 231130368. Its totient is φ = 58007840.

The previous prime is 123930133. The next prime is 123930173. The reversal of 123930164 is 461039321.

It is a congruent number.

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, 10007 + ... + 18654.

It is an arithmetic number, because the mean of its divisors is an integer number (9630432).

Almost surely, 2123930164 is an apocalyptic number.

It is an amenable number.

123930164 is a deficient number, since it is larger than the sum of its proper divisors (107200204).

123930164 is a wasteful number, since it uses less digits than its factorization.

123930164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28735 (or 28733 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 123930164 is about 11132.3925550620. The cubic root of 123930164 is about 498.5694630313.

Adding to 123930164 its reverse (461039321), we get a palindrome (584969485).

The spelling of 123930164 in words is "one hundred twenty-three million, nine hundred thirty thousand, one hundred sixty-four".

Divisors: 1 2 4 23 46 47 92 94 188 1081 2162 4324 28661 57322 114644 659203 1318406 1347067 2636812 2694134 5388268 30982541 61965082 123930164