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123804328 = 2331499211
BaseRepresentation
bin1110110000100…
…01101010101000
322121221220121111
413120101222220
5223143214303
620141320104
73032214364
oct730215250
9277856544
10123804328
116398002a
1235566034
131c8596cb
141262a2a4
15ad07b6d
hex7611aa8

123804328 has 16 divisors (see below), whose sum is σ = 239621760. Its totient is φ = 59905200.

The previous prime is 123804313. The next prime is 123804349. The reversal of 123804328 is 823408321.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a self number, because there is not a number n which added to its sum of digits gives 123804328.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249358 + ... + 249853.

It is an arithmetic number, because the mean of its divisors is an integer number (14976360).

Almost surely, 2123804328 is an apocalyptic number.

It is an amenable number.

123804328 is a deficient number, since it is larger than the sum of its proper divisors (115817432).

123804328 is a wasteful number, since it uses less digits than its factorization.

123804328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499248 (or 499244 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 123804328 is about 11126.7393247078. The cubic root of 123804328 is about 498.4006603466.

The spelling of 123804328 in words is "one hundred twenty-three million, eight hundred four thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 31 62 124 248 499211 998422 1996844 3993688 15475541 30951082 61902164 123804328