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140793671 = 495728403
BaseRepresentation
bin10000110010001…
…01011101000111
3100210221001121102
420121011131013
5242020344141
621545410315
73326504114
oct1031053507
9323831542
10140793671
1172524407
123b19999b
1323227685
14149ad90b
15c56199b
hex8645747

140793671 has 4 divisors (see below), whose sum is σ = 140827032. Its totient is φ = 140760312.

The previous prime is 140793641. The next prime is 140793707. The reversal of 140793671 is 176397041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 176397041 = 322954629.

It is a cyclic number.

It is not a de Polignac number, because 140793671 - 26 = 140793607 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 (140793641) 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 3 ways as a sum of consecutive naturals, for example, 9245 + ... + 19158.

It is an arithmetic number, because the mean of its divisors is an integer number (35206758).

Almost surely, 2140793671 is an apocalyptic number.

140793671 is a deficient number, since it is larger than the sum of its proper divisors (33361).

140793671 is an equidigital number, since it uses as much as digits as its factorization.

140793671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33360.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 140793671 is about 11865.6508881730. The cubic root of 140793671 is about 520.2287836964.

The spelling of 140793671 in words is "one hundred forty million, seven hundred ninety-three thousand, six hundred seventy-one".

Divisors: 1 4957 28403 140793671