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140970023 = 1038871543
BaseRepresentation
bin10000110011100…
…00100000100111
3100211021000111222
420121300200213
5242042020043
621553250555
73331140215
oct1031604047
9324230458
10140970023
1172634957
123b263a5b
1323289a1c
1414a17cb5
15c598d68
hex8670827

140970023 has 8 divisors (see below), whose sum is σ = 142591488. Its totient is φ = 139353624.

The previous prime is 140970019. The next prime is 140970031. The reversal of 140970023 is 320079041.

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

It is a cyclic number.

It is not a de Polignac number, because 140970023 - 22 = 140970019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140969974 and 140970001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140970223) 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, 90590 + ... + 92132.

It is an arithmetic number, because the mean of its divisors is an integer number (17823936).

Almost surely, 2140970023 is an apocalyptic number.

140970023 is a deficient number, since it is larger than the sum of its proper divisors (1621465).

140970023 is a wasteful number, since it uses less digits than its factorization.

140970023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2533.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 140970023 is about 11873.0797605339. The cubic root of 140970023 is about 520.4458983528.

The spelling of 140970023 in words is "one hundred forty million, nine hundred seventy thousand, twenty-three".

Divisors: 1 103 887 1543 91361 158929 1368641 140970023