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130242315 = 3573140013
BaseRepresentation
bin1111100001101…
…01011100001011
3100002001222212110
413300311130023
5231320223230
620531313403
73141020130
oct760653413
9302058773
10130242315
1167577a85
123774b863
1320ca1b78
1413424587
15b67a4b0
hex7c3570b

130242315 has 32 divisors (see below), whose sum is σ = 245846016. Its totient is φ = 57617280.

The previous prime is 130242289. The next prime is 130242317. The reversal of 130242315 is 513242031.

It is not a de Polignac number, because 130242315 - 26 = 130242251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 130242291 and 130242300.

It is not an unprimeable number, because it can be changed into a prime (130242317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16752 + ... + 23261.

It is an arithmetic number, because the mean of its divisors is an integer number (7682688).

Almost surely, 2130242315 is an apocalyptic number.

130242315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

130242315 is a deficient number, since it is larger than the sum of its proper divisors (115603701).

130242315 is a wasteful number, since it uses less digits than its factorization.

130242315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40059.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 130242315 is about 11412.3755195840. The cubic root of 130242315 is about 506.8942549129.

Adding to 130242315 its reverse (513242031), we get a palindrome (643484346).

The spelling of 130242315 in words is "one hundred thirty million, two hundred forty-two thousand, three hundred fifteen".

Divisors: 1 3 5 7 15 21 31 35 93 105 155 217 465 651 1085 3255 40013 120039 200065 280091 600195 840273 1240403 1400455 3721209 4201365 6202015 8682821 18606045 26048463 43414105 130242315