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140247359 = 724576263
BaseRepresentation
bin10000101110000…
…00000100111111
3100202220022012122
420113000010333
5241400403414
621525553155
73322040300
oct1027000477
9322808178
10140247359
1172190a0a
123ab757bb
1323095b05
14148aa7a7
15c4a4b8e
hex85c013f

140247359 has 12 divisors (see below), whose sum is σ = 163527984. Its totient is φ = 119929824.

The previous prime is 140247343. The next prime is 140247377. The reversal of 140247359 is 953742041.

It is not a de Polignac number, because 140247359 - 24 = 140247343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140247329) 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, 19262 + ... + 25524.

It is an arithmetic number, because the mean of its divisors is an integer number (13627332).

Almost surely, 2140247359 is an apocalyptic number.

140247359 is a deficient number, since it is larger than the sum of its proper divisors (23280625).

140247359 is an equidigital number, since it uses as much as digits as its factorization.

140247359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6734 (or 6727 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 140247359 is about 11842.6077786947. The cubic root of 140247359 is about 519.5550421939. Note that the first 3 decimals are identical.

The spelling of 140247359 in words is "one hundred forty million, two hundred forty-seven thousand, three hundred fifty-nine".

Divisors: 1 7 49 457 3199 6263 22393 43841 306887 2862191 20035337 140247359