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123944016 = 2437368881
BaseRepresentation
bin1110110001100…
…11110001010000
322122020000020010
413120303301100
5223212202031
620144314520
73033335550
oct730636120
9278200203
10123944016
1163a65a79
1235612a40
131c8a8171
1412665160
15ad34246
hex7633c50

123944016 has 40 divisors (see below), whose sum is σ = 365930944. Its totient is φ = 35412480.

The previous prime is 123944003. The next prime is 123944039. The reversal of 123944016 is 610449321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184105 + ... + 184776.

Almost surely, 2123944016 is an apocalyptic number.

123944016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

123944016 is an abundant number, since it is smaller than the sum of its proper divisors (241986928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123944016 is a wasteful number, since it uses less digits than its factorization.

123944016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368899 (or 368893 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 123944016 is about 11133.0146860588. The cubic root of 123944016 is about 498.5880378121.

The spelling of 123944016 in words is "one hundred twenty-three million, nine hundred forty-four thousand, sixteen".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 368881 737762 1106643 1475524 2213286 2582167 2951048 4426572 5164334 5902096 7746501 8853144 10328668 15493002 17706288 20657336 30986004 41314672 61972008 123944016