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104142620 = 22523226397
BaseRepresentation
bin1100011010100…
…01011100011100
321020221222211002
412031101130130
5203130030440
614200045432
72403124541
oct615213434
9236858732
10104142620
115387098a
122aa63878
131876426a
14db8cbc8
159222115
hex635171c

104142620 has 24 divisors (see below), whose sum is σ = 228209184. Its totient is φ = 39845696.

The previous prime is 104142613. The next prime is 104142631. The reversal of 104142620 is 26241401.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 104142592 and 104142601.

It is a congruent number.

It is an unprimeable number.

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, 112739 + ... + 113658.

It is an arithmetic number, because the mean of its divisors is an integer number (9508716).

Almost surely, 2104142620 is an apocalyptic number.

104142620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104142620 is an abundant number, since it is smaller than the sum of its proper divisors (124066564).

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

104142620 is a wasteful number, since it uses less digits than its factorization.

104142620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226429 (or 226427 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 104142620 is about 10205.0291523346. The cubic root of 104142620 is about 470.4818056066.

The spelling of 104142620 in words is "one hundred four million, one hundred forty-two thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 226397 452794 905588 1131985 2263970 4527940 5207131 10414262 20828524 26035655 52071310 104142620