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140464680 = 23352350893
BaseRepresentation
bin10000101111101…
…01001000101000
3100210022100022120
420113311020220
5241424332210
621534351240
73323634006
oct1027651050
9323270276
10140464680
117231a214
123b05b520
13231409c5
1414925a76
15c4e9270
hex85f5228

140464680 has 64 divisors (see below), whose sum is σ = 439724160. Its totient is φ = 35827968.

The previous prime is 140464669. The next prime is 140464741. The reversal of 140464680 is 86464041.

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, 22687 + ... + 28206.

It is an arithmetic number, because the mean of its divisors is an integer number (6870690).

Almost surely, 2140464680 is an apocalyptic number.

140464680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140464680 is an abundant number, since it is smaller than the sum of its proper divisors (299259480).

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

140464680 is a wasteful number, since it uses less digits than its factorization.

140464680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50930 (or 50926 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 140464680 is about 11851.7796132058. The cubic root of 140464680 is about 519.8232634093.

The spelling of 140464680 in words is "one hundred forty million, four hundred sixty-four thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 23 24 30 40 46 60 69 92 115 120 138 184 230 276 345 460 552 690 920 1380 2760 50893 101786 152679 203572 254465 305358 407144 508930 610716 763395 1017860 1170539 1221432 1526790 2035720 2341078 3053580 3511617 4682156 5852695 6107160 7023234 9364312 11705390 14046468 17558085 23410780 28092936 35116170 46821560 70232340 140464680