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140880385 = 547599491
BaseRepresentation
bin10000110010110…
…10101000000001
3100211002110120001
420121122220001
5242031133020
621551320001
73330314662
oct1031325001
9324073501
10140880385
1172583578
123b220001
1323257c99
14149d3369
15c57c50a
hex865aa01

140880385 has 8 divisors (see below), whose sum is σ = 172653696. Its totient is φ = 110306160.

The previous prime is 140880379. The next prime is 140880391. The reversal of 140880385 is 583088041.

It is an interprime number because it is at equal distance from previous prime (140880379) and next prime (140880391).

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

It is not a de Polignac number, because 140880385 - 25 = 140880353 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299511 + ... + 299980.

It is an arithmetic number, because the mean of its divisors is an integer number (21581712).

Almost surely, 2140880385 is an apocalyptic number.

It is an amenable number.

140880385 is a deficient number, since it is larger than the sum of its proper divisors (31773311).

140880385 is an equidigital number, since it uses as much as digits as its factorization.

140880385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599543.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 140880385 is about 11869.3043182825. The cubic root of 140880385 is about 520.3355637346.

The spelling of 140880385 in words is "one hundred forty million, eight hundred eighty thousand, three hundred eighty-five".

Divisors: 1 5 47 235 599491 2997455 28176077 140880385