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104042988 = 22337137623
BaseRepresentation
bin1100011001110…
…01000111101100
321020202221011000
412030321013230
5203113333423
614154000300
72402231220
oct614710754
9236687130
10104042988
1153803045
122aa16090
131872aaca
14db64780
159202843
hex63391ec

104042988 has 48 divisors (see below), whose sum is σ = 308277760. Its totient is φ = 29726352.

The previous prime is 104042959. The next prime is 104042999. The reversal of 104042988 is 889240401.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68056 + ... + 69567.

Almost surely, 2104042988 is an apocalyptic number.

104042988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

104042988 is an abundant number, since it is smaller than the sum of its proper divisors (204234772).

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

104042988 is a wasteful number, since it uses less digits than its factorization.

104042988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137643 (or 137635 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 104042988 is about 10200.1464695366. The cubic root of 104042988 is about 470.3317229620.

The spelling of 104042988 in words is "one hundred four million, forty-two thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 756 137623 275246 412869 550492 825738 963361 1238607 1651476 1926722 2477214 2890083 3715821 3853444 4954428 5780166 7431642 8670249 11560332 14863284 17340498 26010747 34680996 52021494 104042988