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130436142 = 23291993767
BaseRepresentation
bin1111100011001…
…00110000101110
3100002102211202020
413301210300232
5231342424032
620535411010
73142455204
oct761446056
9302384666
10130436142
116769a671
1237823a66
132103c165
1413475074
15b6b7b2c
hex7c64c2e

130436142 has 32 divisors (see below), whose sum is σ = 271296000. Its totient is φ = 41757408.

The previous prime is 130436107. The next prime is 130436179. The reversal of 130436142 is 241634031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32743 + ... + 36509.

It is an arithmetic number, because the mean of its divisors is an integer number (8478000).

Almost surely, 2130436142 is an apocalyptic number.

130436142 is an abundant number, since it is smaller than the sum of its proper divisors (140859858).

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

130436142 is a wasteful number, since it uses less digits than its factorization.

130436142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4000.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 130436142 is about 11420.8643280620. The cubic root of 130436142 is about 507.1455841230.

The spelling of 130436142 in words is "one hundred thirty million, four hundred thirty-six thousand, one hundred forty-two".

Divisors: 1 2 3 6 29 58 87 174 199 398 597 1194 3767 5771 7534 11301 11542 17313 22602 34626 109243 218486 327729 655458 749633 1499266 2248899 4497798 21739357 43478714 65218071 130436142