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140825479 = 297961469
BaseRepresentation
bin10000110010011…
…01001110000111
3100210222200020111
420121031032013
5242022403404
621550213451
73326665624
oct1031151607
9323880214
10140825479
11725462a3
123b1b4287
1323238cb2
14149bb34b
15c56b104
hex864d387

140825479 has 8 divisors (see below), whose sum is σ = 147528000. Its totient is φ = 134246112.

The previous prime is 140825471. The next prime is 140825483. The reversal of 140825479 is 974528041.

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

It is a cyclic number.

It is not a de Polignac number, because 140825479 - 23 = 140825471 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 (140825471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28444 + ... + 33025.

It is an arithmetic number, because the mean of its divisors is an integer number (18441000).

Almost surely, 2140825479 is an apocalyptic number.

140825479 is a deficient number, since it is larger than the sum of its proper divisors (6702521).

140825479 is an equidigital number, since it uses as much as digits as its factorization.

140825479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61577.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 140825479 is about 11866.9911519306. The cubic root of 140825479 is about 520.2679573114.

The spelling of 140825479 in words is "one hundred forty million, eight hundred twenty-five thousand, four hundred seventy-nine".

Divisors: 1 29 79 2291 61469 1782601 4856051 140825479