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104171830 = 2572389727
BaseRepresentation
bin1100011010110…
…00100100110110
321021000110212221
412031120210312
5203131444310
614200432554
72403305650
oct615304466
9237013787
10104171830
1153890924
122aa7875a
1318774649
14db996d0
15922aada
hex6358936

104171830 has 64 divisors (see below), whose sum is σ = 226437120. Its totient is φ = 33732864.

The previous prime is 104171797. The next prime is 104171861. The reversal of 104171830 is 38171401.

It is a junction number, because it is equal to n+sod(n) for n = 104171795 and 104171804.

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 31 ways as a sum of consecutive naturals, for example, 142927 + ... + 143653.

It is an arithmetic number, because the mean of its divisors is an integer number (3538080).

Almost surely, 2104171830 is an apocalyptic number.

104171830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

104171830 is an abundant number, since it is smaller than the sum of its proper divisors (122265290).

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

104171830 is a wasteful number, since it uses less digits than its factorization.

104171830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 104171830 is about 10206.4602091029. The cubic root of 104171830 is about 470.5257885244.

The spelling of 104171830 in words is "one hundred four million, one hundred seventy-one thousand, eight hundred thirty".

Divisors: 1 2 5 7 10 14 23 35 46 70 89 115 161 178 230 322 445 623 727 805 890 1246 1454 1610 2047 3115 3635 4094 5089 6230 7270 10178 10235 14329 16721 20470 25445 28658 33442 50890 64703 71645 83605 117047 129406 143290 167210 234094 323515 452921 585235 647030 905842 1170470 1488169 2264605 2976338 4529210 7440845 10417183 14881690 20834366 52085915 104171830