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140679213 = 3107438253
BaseRepresentation
bin10000110001010…
…01100000101101
3100210201020121020
420120221200231
5242003213323
621543124353
73325516323
oct1030514055
9323636536
10140679213
1172456414
123b1436b9
13231b754c
141497dd13
15c53cae3
hex862982d

140679213 has 8 divisors (see below), whose sum is σ = 189325728. Its totient is φ = 92909424.

The previous prime is 140679191. The next prime is 140679223. The reversal of 140679213 is 312976041.

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

It is not a de Polignac number, because 140679213 - 25 = 140679181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140679223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218806 + ... + 219447.

It is an arithmetic number, because the mean of its divisors is an integer number (23665716).

Almost surely, 2140679213 is an apocalyptic number.

It is an amenable number.

140679213 is a deficient number, since it is larger than the sum of its proper divisors (48646515).

140679213 is a wasteful number, since it uses less digits than its factorization.

140679213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438363.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 140679213 is about 11860.8268261534. The cubic root of 140679213 is about 520.0877724126.

The spelling of 140679213 in words is "one hundred forty million, six hundred seventy-nine thousand, two hundred thirteen".

Divisors: 1 3 107 321 438253 1314759 46893071 140679213