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140043702 = 2353440389
BaseRepresentation
bin10000101100011…
…10010110110110
3100202111221211210
420112032112312
5241322344302
621521342250
73320231451
oct1026162666
9322457753
10140043702
11720619a7
123aa97986
13230241c6
1414856498
15c46466c
hex858e5b6

140043702 has 16 divisors (see below), whose sum is σ = 285372720. Its totient is φ = 45800352.

The previous prime is 140043679. The next prime is 140043703. The reversal of 140043702 is 207340041.

140043702 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1400437022 = 39224476939729608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140043703) 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, 219877 + ... + 220512.

It is an arithmetic number, because the mean of its divisors is an integer number (17835795).

Almost surely, 2140043702 is an apocalyptic number.

140043702 is an abundant number, since it is smaller than the sum of its proper divisors (145329018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140043702 is a wasteful number, since it uses less digits than its factorization.

140043702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440447.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 140043702 is about 11834.0061686649. The cubic root of 140043702 is about 519.3034337017.

Adding to 140043702 its reverse (207340041), we get a palindrome (347383743).

The spelling of 140043702 in words is "one hundred forty million, forty-three thousand, seven hundred two".

Divisors: 1 2 3 6 53 106 159 318 440389 880778 1321167 2642334 23340617 46681234 70021851 140043702