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140744157 = 380957991
BaseRepresentation
bin10000110001110…
…01010111011101
3100210211112200120
420120321113131
5242012303112
621544345153
73326206551
oct1030712735
9323745616
10140744157
11724a0194
123b1751b9
132320ac88
1414999861
15c551e8c
hex86395dd

140744157 has 8 divisors (see below), whose sum is σ = 187894080. Its totient is φ = 93711840.

The previous prime is 140744119. The next prime is 140744161. The reversal of 140744157 is 751447041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140744157 - 27 = 140744029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140744257) 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, 26569 + ... + 31422.

It is an arithmetic number, because the mean of its divisors is an integer number (23486760).

Almost surely, 2140744157 is an apocalyptic number.

It is an amenable number.

140744157 is a deficient number, since it is larger than the sum of its proper divisors (47149923).

140744157 is an equidigital number, since it uses as much as digits as its factorization.

140744157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58803.

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 140744157 is about 11863.5642620589. The cubic root of 140744157 is about 520.1677922518.

The spelling of 140744157 in words is "one hundred forty million, seven hundred forty-four thousand, one hundred fifty-seven".

Divisors: 1 3 809 2427 57991 173973 46914719 140744157