Search a number
-
+
140794560 = 26325193183
BaseRepresentation
bin10000110010001…
…01101011000000
3100210221002211100
420121011223000
5242020411220
621545414400
73326506524
oct1031055300
9323832740
10140794560
1172525045
123b19a400
1323227bba
14149add84
15c561d90
hex8645ac0

140794560 has 336 divisors, whose sum is σ = 532546560. Its totient is φ = 34007040.

The previous prime is 140794531. The next prime is 140794567. The reversal of 140794560 is 65497041.

140794560 is a `hidden beast` number, since 1 + 4 + 0 + 7 + 94 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (140794567) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1696279 + ... + 1696361.

It is an arithmetic number, because the mean of its divisors is an integer number (1584960).

Almost surely, 2140794560 is an apocalyptic number.

140794560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140794560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266273280).

140794560 is an abundant number, since it is smaller than the sum of its proper divisors (391752000).

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

140794560 is a wasteful number, since it uses less digits than its factorization.

140794560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 140794560 is about 11865.6883491856. The cubic root of 140794560 is about 520.2298786377.

The spelling of 140794560 in words is "one hundred forty million, seven hundred ninety-four thousand, five hundred sixty".