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140250023 = 1031136033
BaseRepresentation
bin10000101110000…
…00101110100111
3100202220102212022
420113000232213
5241401000043
621530013355
73322051124
oct1027005647
9322812768
10140250023
1172192a11
123ab7725b
13230970a4
14148ab74b
15c4a5868
hex85c0ba7

140250023 has 4 divisors (see below), whose sum is σ = 140387088. Its totient is φ = 140112960.

The previous prime is 140250007. The next prime is 140250049. The reversal of 140250023 is 320052041.

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 140250023 - 24 = 140250007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140249983 and 140250010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140250083) 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, 66986 + ... + 69047.

It is an arithmetic number, because the mean of its divisors is an integer number (35096772).

Almost surely, 2140250023 is an apocalyptic number.

140250023 is a deficient number, since it is larger than the sum of its proper divisors (137065).

140250023 is a wasteful number, since it uses less digits than its factorization.

140250023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137064.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 140250023 is about 11842.7202533877. The cubic root of 140250023 is about 519.5583318241.

The spelling of 140250023 in words is "one hundred forty million, two hundred fifty thousand, twenty-three".

Divisors: 1 1031 136033 140250023