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104130040 = 2357383971
BaseRepresentation
bin1100011010011…
…10010111111000
321020221100120011
412031032113320
5203124130130
614155511304
72403043060
oct615162770
9236840504
10104130040
1153862493
122aa58534
131875b611
14db883a0
15921d52a
hex634e5f8

104130040 has 64 divisors (see below), whose sum is σ = 268738560. Its totient is φ = 35571840.

The previous prime is 104130029. The next prime is 104130041. The reversal of 104130040 is 40031401.

It is a self number, because there is not a number n which added to its sum of digits gives 104130040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104130041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106755 + ... + 107725.

It is an arithmetic number, because the mean of its divisors is an integer number (4199040).

Almost surely, 2104130040 is an apocalyptic number.

104130040 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 104130040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134369280).

104130040 is an abundant number, since it is smaller than the sum of its proper divisors (164608520).

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

104130040 is a wasteful number, since it uses less digits than its factorization.

104130040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372 (or 1368 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 104130040 is about 10204.4127709536. The cubic root of 104130040 is about 470.4628607550.

Adding to 104130040 its reverse (40031401), we get a palindrome (144161441).

The spelling of 104130040 in words is "one hundred four million, one hundred thirty thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 383 766 971 1532 1915 1942 2681 3064 3830 3884 4855 5362 6797 7660 7768 9710 10724 13405 13594 15320 19420 21448 26810 27188 33985 38840 53620 54376 67970 107240 135940 271880 371893 743786 1487572 1859465 2603251 2975144 3718930 5206502 7437860 10413004 13016255 14875720 20826008 26032510 52065020 104130040