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104012980 = 2257965831
BaseRepresentation
bin1100011001100…
…01110010110100
321020201101222121
412030301302310
5203111403410
614153205324
72402044561
oct614616264
9236641877
10104012980
1153792545
122aa00844
131871a256
14db57868
1591e89da
hex6331cb4

104012980 has 24 divisors (see below), whose sum is σ = 221195520. Its totient is φ = 41077920.

The previous prime is 104012933. The next prime is 104012981. The reversal of 104012980 is 89210401.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104012981) by changing a digit.

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, 31336 + ... + 34495.

It is an arithmetic number, because the mean of its divisors is an integer number (9216480).

Almost surely, 2104012980 is an apocalyptic number.

104012980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104012980 is an abundant number, since it is smaller than the sum of its proper divisors (117182540).

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

104012980 is a wasteful number, since it uses less digits than its factorization.

104012980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65919 (or 65917 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 104012980 is about 10198.6754041885. The cubic root of 104012980 is about 470.2865010407.

The spelling of 104012980 in words is "one hundred four million, twelve thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 79 158 316 395 790 1580 65831 131662 263324 329155 658310 1316620 5200649 10401298 20802596 26003245 52006490 104012980