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140792423 = 719195817
BaseRepresentation
bin10000110010001…
…01001001100111
3100210220222220012
420121011021213
5242020324143
621545400435
73326500352
oct1031051147
9323828805
10140792423
1172523482
123b19911b
1323226c35
14149ad299
15c561418
hex8645267

140792423 has 4 divisors (see below), whose sum is σ = 140988960. Its totient is φ = 140595888.

The previous prime is 140792411. The next prime is 140792447. The reversal of 140792423 is 324297041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324297041 = 719451039.

It is a cyclic number.

It is not a de Polignac number, because 140792423 - 28 = 140792167 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140792423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140792723) 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, 97190 + ... + 98627.

It is an arithmetic number, because the mean of its divisors is an integer number (35247240).

Almost surely, 2140792423 is an apocalyptic number.

140792423 is a deficient number, since it is larger than the sum of its proper divisors (196537).

140792423 is an equidigital number, since it uses as much as digits as its factorization.

140792423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196536.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 140792423 is about 11865.5982992852. The cubic root of 140792423 is about 520.2272465832.

The spelling of 140792423 in words is "one hundred forty million, seven hundred ninety-two thousand, four hundred twenty-three".

Divisors: 1 719 195817 140792423