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140813415 = 32529107903
BaseRepresentation
bin10000110010010…
…10010001100111
3100210222001200200
420121022101213
5242022012130
621550041543
73326615511
oct1031122147
9323861620
10140813415
1172538226
123b1a92b3
1323233662
14149b6bb1
15c567760
hex864a467

140813415 has 24 divisors (see below), whose sum is σ = 252495360. Its totient is φ = 72510144.

The previous prime is 140813381. The next prime is 140813417. The reversal of 140813415 is 514318041.

It is a happy number.

It is not a de Polignac number, because 140813415 - 210 = 140812391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140813417) 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, 52647 + ... + 55256.

It is an arithmetic number, because the mean of its divisors is an integer number (10520640).

Almost surely, 2140813415 is an apocalyptic number.

140813415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140813415 is a deficient number, since it is larger than the sum of its proper divisors (111681945).

140813415 is a wasteful number, since it uses less digits than its factorization.

140813415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107943 (or 107940 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 140813415 is about 11866.4828403365. The cubic root of 140813415 is about 520.2531004074.

The spelling of 140813415 in words is "one hundred forty million, eight hundred thirteen thousand, four hundred fifteen".

Divisors: 1 3 5 9 15 29 45 87 145 261 435 1305 107903 323709 539515 971127 1618545 3129187 4855635 9387561 15645935 28162683 46937805 140813415