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130434678 = 23311219587
BaseRepresentation
bin1111100011001…
…00011001110110
3100002102202202000
413301210121312
5231342402203
620535400130
73142451013
oct761443166
9302382660
10130434678
1167699560
1237823046
132103b5aa
141347470a
15b6b74a3
hex7c64676

130434678 has 32 divisors (see below), whose sum is σ = 316206720. Its totient is φ = 39525480.

The previous prime is 130434649. The next prime is 130434691. The reversal of 130434678 is 876434031.

130434678 is a `hidden beast` number, since 1 + 304 + 346 + 7 + 8 = 666.

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, 109200 + ... + 110387.

It is an arithmetic number, because the mean of its divisors is an integer number (9881460).

Almost surely, 2130434678 is an apocalyptic number.

130434678 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

130434678 is an abundant number, since it is smaller than the sum of its proper divisors (185772042).

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

130434678 is a wasteful number, since it uses less digits than its factorization.

130434678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219609 (or 219603 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 130434678 is about 11420.8002346596. The cubic root of 130434678 is about 507.1436867350.

The spelling of 130434678 in words is "one hundred thirty million, four hundred thirty-four thousand, six hundred seventy-eight".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 66 99 198 297 594 219587 439174 658761 1317522 1976283 2415457 3952566 4830914 5928849 7246371 11857698 14492742 21739113 43478226 65217339 130434678