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140079454 = 2292778719
BaseRepresentation
bin10000101100101…
…11000101011110
3100202120202212221
420112113011132
5241330020304
621522215554
73320440624
oct1026270536
9322522787
10140079454
1172086849
123aab45ba
1323037568
1414865514
15c470054
hex859715e

140079454 has 16 divisors (see below), whose sum is σ = 218174400. Its totient is φ = 67372704.

The previous prime is 140079451. The next prime is 140079461. The reversal of 140079454 is 454970041.

140079454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140079451) 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, 11707 + ... + 20425.

It is an arithmetic number, because the mean of its divisors is an integer number (13635900).

Almost surely, 2140079454 is an apocalyptic number.

140079454 is a deficient number, since it is larger than the sum of its proper divisors (78094946).

140079454 is a wasteful number, since it uses less digits than its factorization.

140079454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9027.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 140079454 is about 11835.5166342665. The cubic root of 140079454 is about 519.3476212336.

The spelling of 140079454 in words is "one hundred forty million, seventy-nine thousand, four hundred fifty-four".

Divisors: 1 2 29 58 277 554 8033 8719 16066 17438 252851 505702 2415163 4830326 70039727 140079454