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130546140 = 22352175769
BaseRepresentation
bin1111100011111…
…11100111011100
3100002122102122020
413301333213130
5231404434030
620542020140
73143423664
oct761774734
9302572566
10130546140
116776527a
1237877650
132107a24a
14134a31a4
15b6da510
hex7c7f9dc

130546140 has 24 divisors (see below), whose sum is σ = 365529360. Its totient is φ = 34812288.

The previous prime is 130546127. The next prime is 130546147. The reversal of 130546140 is 41645031.

It is a self number, because there is not a number n which added to its sum of digits gives 130546140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130546147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1087825 + ... + 1087944.

It is an arithmetic number, because the mean of its divisors is an integer number (15230390).

Almost surely, 2130546140 is an apocalyptic number.

130546140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130546140 is an abundant number, since it is smaller than the sum of its proper divisors (234983220).

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

130546140 is a wasteful number, since it uses less digits than its factorization.

130546140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175781 (or 2175779 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 130546140 is about 11425.6789732602. The cubic root of 130546140 is about 507.2881042485.

The spelling of 130546140 in words is "one hundred thirty million, five hundred forty-six thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2175769 4351538 6527307 8703076 10878845 13054614 21757690 26109228 32636535 43515380 65273070 130546140