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130426460 = 22512751349
BaseRepresentation
bin1111100011000…
…10011001011100
3100002102100110122
413301202121130
5231342121320
620535254112
73142415033
oct761423134
9302370418
10130426460
116769336a
123781a338
1321037928
141347171a
15b6b4d25
hex7c6265c

130426460 has 24 divisors (see below), whose sum is σ = 276057600. Its totient is φ = 51758784.

The previous prime is 130426459. The next prime is 130426487. The reversal of 130426460 is 64624031.

It is a super-2 number, since 2×1304264602 = 34022122936263200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23135 + ... + 28214.

It is an arithmetic number, because the mean of its divisors is an integer number (11502400).

Almost surely, 2130426460 is an apocalyptic number.

130426460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130426460 is an abundant number, since it is smaller than the sum of its proper divisors (145631140).

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

130426460 is a wasteful number, since it uses less digits than its factorization.

130426460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51485 (or 51483 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 130426460 is about 11420.4404468479. The cubic root of 130426460 is about 507.1330356965.

The spelling of 130426460 in words is "one hundred thirty million, four hundred twenty-six thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 127 254 508 635 1270 2540 51349 102698 205396 256745 513490 1026980 6521323 13042646 26085292 32606615 65213230 130426460