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140379498 = 23278591297
BaseRepresentation
bin10000101111000…
…00010101101010
3100210011000110200
420113200111222
5241414120443
621532453030
73323130450
oct1027402552
9323130420
10140379498
1172271216
123b01a176
1323110cbc
14149029d0
15c4cddd3
hex85e056a

140379498 has 48 divisors (see below), whose sum is σ = 348279360. Its totient is φ = 40030848.

The previous prime is 140379493. The next prime is 140379527. The reversal of 140379498 is 894973041.

It is not an unprimeable number, because it can be changed into a prime (140379493) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107586 + ... + 108882.

It is an arithmetic number, because the mean of its divisors is an integer number (7255820).

Almost surely, 2140379498 is an apocalyptic number.

140379498 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

140379498 is an abundant number, since it is smaller than the sum of its proper divisors (207899862).

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

140379498 is a wasteful number, since it uses less digits than its factorization.

140379498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171 (or 2168 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 140379498 is about 11848.1854306894. The cubic root of 140379498 is about 519.7181633489.

The spelling of 140379498 in words is "one hundred forty million, three hundred seventy-nine thousand, four hundred ninety-eight".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 859 1297 1718 2577 2594 3891 5154 6013 7731 7782 9079 11673 12026 15462 18039 18158 23346 27237 36078 54117 54474 81711 108234 163422 1114123 2228246 3342369 6684738 7798861 10027107 15597722 20054214 23396583 46793166 70189749 140379498