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104104812 = 22372473767
BaseRepresentation
bin1100011010010…
…00001101101100
321020220001221210
412031020031230
5203122323222
614155154420
72402606400
oct615101554
9236801853
10104104812
1153845539
122aa45a10
131874cca6
14db7d100
159215d0c
hex634836c

104104812 has 72 divisors (see below), whose sum is σ = 288658944. Its totient is φ = 29103648.

The previous prime is 104104811. The next prime is 104104823. The reversal of 104104812 is 218401401.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (104104811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25753 + ... + 29519.

It is an arithmetic number, because the mean of its divisors is an integer number (4009152).

Almost surely, 2104104812 is an apocalyptic number.

104104812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104104812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144329472).

104104812 is an abundant number, since it is smaller than the sum of its proper divisors (184554132).

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

104104812 is a wasteful number, since it uses less digits than its factorization.

104104812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3835 (or 3826 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 104104812 is about 10203.1765641882. The cubic root of 104104812 is about 470.4248640485.

The spelling of 104104812 in words is "one hundred four million, one hundred four thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 47 49 84 94 98 141 147 188 196 282 294 329 564 588 658 987 1316 1974 2303 3767 3948 4606 6909 7534 9212 11301 13818 15068 22602 26369 27636 45204 52738 79107 105476 158214 177049 184583 316428 354098 369166 531147 553749 708196 738332 1062294 1107498 1239343 2124588 2214996 2478686 3718029 4957372 7436058 8675401 14872116 17350802 26026203 34701604 52052406 104104812