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140930560 = 29555051
BaseRepresentation
bin10000110011001…
…10111000000000
3100211012000101101
420121212320000
5242034234220
621552344144
73330614161
oct1031467000
9324160341
10140930560
1172608241
123b245054
1323274a84
1414a07768
15c58c30a
hex8666e00

140930560 has 40 divisors (see below), whose sum is σ = 337909176. Its totient is φ = 56371200.

The previous prime is 140930533. The next prime is 140930599. The reversal of 140930560 is 65039041.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1409305602 = 39722845483827200, 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 3 ways as a sum of consecutive naturals, for example, 24966 + ... + 30085.

Almost surely, 2140930560 is an apocalyptic number.

140930560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140930560 is an abundant number, since it is smaller than the sum of its proper divisors (196978616).

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

140930560 is an frugal number, since it uses more digits than its factorization.

140930560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55074 (or 55058 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 140930560 is about 11871.4177754807. The cubic root of 140930560 is about 520.3973294613.

The spelling of 140930560 in words is "one hundred forty million, nine hundred thirty thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1280 2560 55051 110102 220204 275255 440408 550510 880816 1101020 1761632 2202040 3523264 4404080 7046528 8808160 14093056 17616320 28186112 35232640 70465280 140930560