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104415140 = 22531116787
BaseRepresentation
bin1100011100100…
…11111110100100
321021110211122102
412032103332210
5203212241030
614205551232
72405341214
oct616237644
9237424572
10104415140
1153a37705
122ab75518
131882b30b
14dc20244
159277c45
hex6393fa4

104415140 has 24 divisors (see below), whose sum is σ = 219989952. Its totient is φ = 41629280.

The previous prime is 104415131. The next prime is 104415149. The reversal of 104415140 is 41514401.

It is an interprime number because it is at equal distance from previous prime (104415131) and next prime (104415149).

It is a super-2 number, since 2×1044151402 = 21805042922439200, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (104415149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2174 + ... + 14613.

It is an arithmetic number, because the mean of its divisors is an integer number (9166248).

Almost surely, 2104415140 is an apocalyptic number.

104415140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104415140 is an abundant number, since it is smaller than the sum of its proper divisors (115574812).

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

104415140 is a wasteful number, since it uses less digits than its factorization.

104415140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17107 (or 17105 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 104415140 is about 10218.3726688744. The cubic root of 104415140 is about 470.8918331434.

Adding to 104415140 its reverse (41514401), we get a palindrome (145929541).

The spelling of 104415140 in words is "one hundred four million, four hundred fifteen thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 311 622 1244 1555 3110 6220 16787 33574 67148 83935 167870 335740 5220757 10441514 20883028 26103785 52207570 104415140