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130402140 = 223511416179
BaseRepresentation
bin1111100010111…
…00011101011100
3100002101010002220
413301130131130
5231340332030
620534545340
73142254111
oct761343534
9302333086
10130402140
1167677070
1237808250
132102983b
1413466908
15b6aca10
hex7c5c75c

130402140 has 192 divisors, whose sum is σ = 419973120. Its totient is φ = 29952000.

The previous prime is 130402133. The next prime is 130402147. The reversal of 130402140 is 41204031.

It is an interprime number because it is at equal distance from previous prime (130402133) and next prime (130402147).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130402147) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1650621 + ... + 1650699.

It is an arithmetic number, because the mean of its divisors is an integer number (2187360).

Almost surely, 2130402140 is an apocalyptic number.

130402140 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 130402140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209986560).

130402140 is an abundant number, since it is smaller than the sum of its proper divisors (289570980).

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

130402140 is a wasteful number, since it uses less digits than its factorization.

130402140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 130402140 is about 11419.3756396749. The cubic root of 130402140 is about 507.1015128442.

Adding to 130402140 its reverse (41204031), we get a palindrome (171606171).

The spelling of 130402140 in words is "one hundred thirty million, four hundred two thousand, one hundred forty".