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140475537 = 3276920297
BaseRepresentation
bin10000101111101…
…11110010010001
3100210022220012200
420113313302101
5241430204122
621534513413
73324010446
oct1027676221
9323286180
10140475537
1172327394
123b065869
1323145927
14149299cd
15c4ec5ac
hex85f7c91

140475537 has 12 divisors (see below), whose sum is σ = 203182980. Its totient is φ = 93523968.

The previous prime is 140475529. The next prime is 140475581. The reversal of 140475537 is 735574041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 60980481 + 79495056 = 7809^2 + 8916^2 .

It is not a de Polignac number, because 140475537 - 23 = 140475529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140475337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3228 + ... + 17069.

It is an arithmetic number, because the mean of its divisors is an integer number (16931915).

Almost surely, 2140475537 is an apocalyptic number.

It is an amenable number.

140475537 is a deficient number, since it is larger than the sum of its proper divisors (62707443).

140475537 is a wasteful number, since it uses less digits than its factorization.

140475537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21072 (or 21069 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 140475537 is about 11852.2376368347. The cubic root of 140475537 is about 519.8366560424.

The spelling of 140475537 in words is "one hundred forty million, four hundred seventy-five thousand, five hundred thirty-seven".

Divisors: 1 3 9 769 2307 6921 20297 60891 182673 15608393 46825179 140475537