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140679107 = 831694929
BaseRepresentation
bin10000110001010…
…01011111000011
3100210201020110022
420120221133003
5242003212412
621543124055
73325516112
oct1030513703
9323636408
10140679107
1172456328
123b14362b
13231b749a
141497dc79
15c53ca72
hex86297c3

140679107 has 4 divisors (see below), whose sum is σ = 142374120. Its totient is φ = 138984096.

The previous prime is 140679089. The next prime is 140679113. The reversal of 140679107 is 701976041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140679107 - 212 = 140675011 is a prime.

It is a super-2 number, since 2×1406791072 = 39581222292634898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140679137) 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, 847382 + ... + 847547.

It is an arithmetic number, because the mean of its divisors is an integer number (35593530).

Almost surely, 2140679107 is an apocalyptic number.

140679107 is a deficient number, since it is larger than the sum of its proper divisors (1695013).

140679107 is an equidigital number, since it uses as much as digits as its factorization.

140679107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695012.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 140679107 is about 11860.8223576614. The cubic root of 140679107 is about 520.0876417860.

The spelling of 140679107 in words is "one hundred forty million, six hundred seventy-nine thousand, one hundred seven".

Divisors: 1 83 1694929 140679107