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104539860 = 223253891493
BaseRepresentation
bin1100011101100…
…10011011010100
321021201011201200
412032302123110
5203230233420
614212352500
72406400635
oct616623324
9237634650
10104539860
1154012387
122b015730
1318873009
14dc5388c
15929eb90
hex63b26d4

104539860 has 72 divisors (see below), whose sum is σ = 318132360. Its totient is φ = 27787008.

The previous prime is 104539859. The next prime is 104539861. The reversal of 104539860 is 68935401.

It is an interprime number because it is at equal distance from previous prime (104539859) and next prime (104539861).

It can be written as a sum of positive squares in 4 ways, for example, as 15350724 + 89189136 = 3918^2 + 9444^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104539861) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69274 + ... + 70766.

It is an arithmetic number, because the mean of its divisors is an integer number (4418505).

Almost surely, 2104539860 is an apocalyptic number.

104539860 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 104539860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159066180).

104539860 is an abundant number, since it is smaller than the sum of its proper divisors (213592500).

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

104539860 is a wasteful number, since it uses less digits than its factorization.

104539860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897 (or 1892 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 104539860 is about 10224.4735805811. The cubic root of 104539860 is about 471.0792461356.

The spelling of 104539860 in words is "one hundred four million, five hundred thirty-nine thousand, eight hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 389 778 1167 1493 1556 1945 2334 2986 3501 3890 4479 4668 5835 5972 7002 7465 7780 8958 11670 13437 14004 14930 17505 17916 22395 23340 26874 29860 35010 44790 53748 67185 70020 89580 134370 268740 580777 1161554 1742331 2323108 2903885 3484662 5226993 5807770 6969324 8711655 10453986 11615540 17423310 20907972 26134965 34846620 52269930 104539860