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140896691 = 1313779111
BaseRepresentation
bin10000110010111…
…10100110110011
3100211010021220222
420121132212303
5242032143231
621551523255
73330413345
oct1031364663
9324107828
10140896691
1172594851
123b22952b
1323262530
14149d9295
15c58227b
hex865e9b3

140896691 has 8 divisors (see below), whose sum is σ = 152844384. Its totient is φ = 129107520.

The previous prime is 140896669. The next prime is 140896699. The reversal of 140896691 is 196698041.

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 140896691 - 26 = 140896627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140896699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37775 + ... + 41336.

It is an arithmetic number, because the mean of its divisors is an integer number (19105548).

Almost surely, 2140896691 is an apocalyptic number.

140896691 is a deficient number, since it is larger than the sum of its proper divisors (11947693).

140896691 is a wasteful number, since it uses less digits than its factorization.

140896691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79261.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 140896691 is about 11869.9911962899. The cubic root of 140896691 is about 520.3556381270.

The spelling of 140896691 in words is "one hundred forty million, eight hundred ninety-six thousand, six hundred ninety-one".

Divisors: 1 13 137 1781 79111 1028443 10838207 140896691