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140430460 = 22535319891
BaseRepresentation
bin10000101111011…
…00110001111100
3100210020121101011
420113230301330
5241422233320
621533525004
73323432152
oct1027546174
9323217334
10140430460
11722a6535
123b043764
132312b261
14149173d2
15c4de05a
hex85ecc7c

140430460 has 24 divisors (see below), whose sum is σ = 295754256. Its totient is φ = 56010240.

The previous prime is 140430457. The next prime is 140430461. The reversal of 140430460 is 64034041.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140430461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2886 + ... + 17005.

It is an arithmetic number, because the mean of its divisors is an integer number (12323094).

Almost surely, 2140430460 is an apocalyptic number.

140430460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140430460 is an abundant number, since it is smaller than the sum of its proper divisors (155323796).

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

140430460 is a wasteful number, since it uses less digits than its factorization.

140430460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20253 (or 20251 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 140430460 is about 11850.3358602193. The cubic root of 140430460 is about 519.7810468730.

The spelling of 140430460 in words is "one hundred forty million, four hundred thirty thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 353 706 1412 1765 3530 7060 19891 39782 79564 99455 198910 397820 7021523 14043046 28086092 35107615 70215230 140430460