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140970263 = 720138609
BaseRepresentation
bin10000110011100…
…00100100010111
3100211021000211212
420121300210113
5242042022023
621553252035
73331141010
oct1031604427
9324230755
10140970263
1172635055
123b26401b
1323289b75
1414a18007
15c598e78
hex8670917

140970263 has 4 divisors (see below), whose sum is σ = 161108880. Its totient is φ = 120831648.

The previous prime is 140970251. The next prime is 140970281. The reversal of 140970263 is 362079041.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 140970263 - 26 = 140970199 is a prime.

It is a Duffinian number.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10069298 + ... + 10069311.

It is an arithmetic number, because the mean of its divisors is an integer number (40277220).

Almost surely, 2140970263 is an apocalyptic number.

140970263 is a deficient number, since it is larger than the sum of its proper divisors (20138617).

140970263 is an equidigital number, since it uses as much as digits as its factorization.

140970263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20138616.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 140970263 is about 11873.0898674271. The cubic root of 140970263 is about 520.4461937039.

The spelling of 140970263 in words is "one hundred forty million, nine hundred seventy thousand, two hundred sixty-three".

Divisors: 1 7 20138609 140970263