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130242140 = 2257930301
BaseRepresentation
bin1111100001101…
…01011001011100
3100002001222121222
413300311121130
5231320222030
620531312512
73141016460
oct760653134
9302058558
10130242140
1167577936
123774b738
1320ca1a72
14134244a0
15b67a3e5
hex7c3565c

130242140 has 24 divisors (see below), whose sum is σ = 312581472. Its totient is φ = 44654400.

The previous prime is 130242127. The next prime is 130242149. The reversal of 130242140 is 41242031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130242149) 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, 465011 + ... + 465290.

It is an arithmetic number, because the mean of its divisors is an integer number (13024228).

Almost surely, 2130242140 is an apocalyptic number.

130242140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130242140 is an abundant number, since it is smaller than the sum of its proper divisors (182339332).

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

130242140 is a wasteful number, since it uses less digits than its factorization.

130242140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930317 (or 930315 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 130242140 is about 11412.3678524660. The cubic root of 130242140 is about 506.8940278834.

Adding to 130242140 its reverse (41242031), we get a palindrome (171484171).

The spelling of 130242140 in words is "one hundred thirty million, two hundred forty-two thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 930301 1860602 3721204 4651505 6512107 9303010 13024214 18606020 26048428 32560535 65121070 130242140