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104108830 = 2572212467
BaseRepresentation
bin1100011010010…
…01001100011110
321020220021110121
412031021030132
5203122440310
614155225154
72402624200
oct615111436
9236807417
10104108830
1153848561
122aa481ba
1318751a77
14db80770
1592170da
hex634931e

104108830 has 24 divisors (see below), whose sum is σ = 217992168. Its totient is φ = 35694288.

The previous prime is 104108803. The next prime is 104108831. The reversal of 104108830 is 38801401.

It is a junction number, because it is equal to n+sod(n) for n = 104108795 and 104108804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104108831) 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 11 ways as a sum of consecutive naturals, for example, 105744 + ... + 106723.

It is an arithmetic number, because the mean of its divisors is an integer number (9083007).

Almost surely, 2104108830 is an apocalyptic number.

104108830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

104108830 is an abundant number, since it is smaller than the sum of its proper divisors (113883338).

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

104108830 is a wasteful number, since it uses less digits than its factorization.

104108830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212488 (or 212481 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 104108830 is about 10203.3734617527. The cubic root of 104108830 is about 470.4309160992.

The spelling of 104108830 in words is "one hundred four million, one hundred eight thousand, eight hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 212467 424934 1062335 1487269 2124670 2974538 7436345 10410883 14872690 20821766 52054415 104108830