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103899580 = 22517674561
BaseRepresentation
bin1100011000101…
…10000110111100
321020111122102121
412030112012330
5203044241310
614150532324
72401063141
oct614260674
9236448377
10103899580
1153715324
122a9670a4
13186aa755
14db283c8
1591c50da
hex63161bc

103899580 has 48 divisors (see below), whose sum is σ = 234523296. Its totient is φ = 38522880.

The previous prime is 103899577. The next prime is 103899599. The reversal of 103899580 is 85998301.

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 15 ways as a sum of consecutive naturals, for example, 20500 + ... + 25060.

It is an arithmetic number, because the mean of its divisors is an integer number (4885902).

Almost surely, 2103899580 is an apocalyptic number.

103899580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103899580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117261648).

103899580 is an abundant number, since it is smaller than the sum of its proper divisors (130623716).

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

103899580 is a wasteful number, since it uses less digits than its factorization.

103899580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4654 (or 4652 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 103899580 is about 10193.1143425354. The cubic root of 103899580 is about 470.1155291674.

The spelling of 103899580 in words is "one hundred three million, eight hundred ninety-nine thousand, five hundred eighty".

Divisors: 1 2 4 5 10 17 20 34 67 68 85 134 170 268 335 340 670 1139 1340 2278 4556 4561 5695 9122 11390 18244 22780 22805 45610 77537 91220 155074 305587 310148 387685 611174 775370 1222348 1527935 1550740 3055870 5194979 6111740 10389958 20779916 25974895 51949790 103899580