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104487666 = 2323757157
BaseRepresentation
bin1100011101001…
…01101011110010
321021121112010120
412032211223302
5203222101131
614211311110
72406062523
oct616455362
9237545116
10104487666
1153a87148
122abab496
131885532a
14dc3c84a
15928e496
hex63a5af2

104487666 has 16 divisors (see below), whose sum is σ = 218061504. Its totient is φ = 33314864.

The previous prime is 104487659. The next prime is 104487671. The reversal of 104487666 is 666784401.

It is a super-2 number, since 2×1044876662 = 21835344692255112, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378441 + ... + 378716.

It is an arithmetic number, because the mean of its divisors is an integer number (13628844).

Almost surely, 2104487666 is an apocalyptic number.

104487666 is an abundant number, since it is smaller than the sum of its proper divisors (113573838).

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

104487666 is a wasteful number, since it uses less digits than its factorization.

104487666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757185.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 104487666 is about 10221.9208566688. The cubic root of 104487666 is about 471.0008339291. Note that the first 3 decimals are identical.

The spelling of 104487666 in words is "one hundred four million, four hundred eighty-seven thousand, six hundred sixty-six".

Divisors: 1 2 3 6 23 46 69 138 757157 1514314 2271471 4542942 17414611 34829222 52243833 104487666