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104500140 = 223511315413
BaseRepresentation
bin1100011101010…
…00101110101100
321021122011020120
412032220232230
5203223001030
614211444540
72406144063
oct616505654
9237564216
10104500140
1153a95558
122abb6750
131885ac04
14dc431da
159293010
hex63a8bac

104500140 has 48 divisors (see below), whose sum is σ = 295208928. Its totient is φ = 27618304.

The previous prime is 104500087. The next prime is 104500147. The reversal of 104500140 is 41005401.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (104500147) 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, 927 + ... + 14486.

It is an arithmetic number, because the mean of its divisors is an integer number (6150186).

Almost surely, 2104500140 is an apocalyptic number.

104500140 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 104500140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147604464).

104500140 is an abundant number, since it is smaller than the sum of its proper divisors (190708788).

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

104500140 is a wasteful number, since it uses less digits than its factorization.

104500140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15538 (or 15536 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 104500140 is about 10222.5309977520. The cubic root of 104500140 is about 471.0195762708.

Adding to 104500140 its reverse (41005401), we get a palindrome (145505541).

The spelling of 104500140 in words is "one hundred four million, five hundred thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 113 226 339 452 565 678 1130 1356 1695 2260 3390 6780 15413 30826 46239 61652 77065 92478 154130 184956 231195 308260 462390 924780 1741669 3483338 5225007 6966676 8708345 10450014 17416690 20900028 26125035 34833380 52250070 104500140