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140180313 = 3713513481
BaseRepresentation
bin10000101101011…
…11101101011001
3100202202220020110
420112233231121
5241341232223
621524314533
73321340650
oct1026575531
9322686213
10140180313
11721455a9
123ab42a49
1323071440
1414890197
15c48ed93
hex85afb59

140180313 has 16 divisors (see below), whose sum is σ = 230039936. Its totient is φ = 73941120.

The previous prime is 140180311. The next prime is 140180321. The reversal of 140180313 is 313081041.

It is not a de Polignac number, because 140180313 - 21 = 140180311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 140180313.

It is not an unprimeable number, because it can be changed into a prime (140180311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256468 + ... + 257013.

It is an arithmetic number, because the mean of its divisors is an integer number (14377496).

Almost surely, 2140180313 is an apocalyptic number.

140180313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

140180313 is a deficient number, since it is larger than the sum of its proper divisors (89859623).

140180313 is a wasteful number, since it uses less digits than its factorization.

140180313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513504.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 140180313 is about 11839.7767293138. The cubic root of 140180313 is about 519.4722369752.

The spelling of 140180313 in words is "one hundred forty million, one hundred eighty thousand, three hundred thirteen".

Divisors: 1 3 7 13 21 39 91 273 513481 1540443 3594367 6675253 10783101 20025759 46726771 140180313