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139792343 = 178223079
BaseRepresentation
bin10000101010100…
…00111111010111
3100202001012001012
420111100333113
5241241323333
621512122435
73315133565
oct1025207727
9322035035
10139792343
1171a00069
123a99641b
1322c66982
14147cca35
15c414e48
hex8550fd7

139792343 has 4 divisors (see below), whose sum is σ = 148015440. Its totient is φ = 131569248.

The previous prime is 139792339. The next prime is 139792379. The reversal of 139792343 is 343297931.

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 139792343 - 22 = 139792339 is a prime.

It is a super-2 number, since 2×1397923432 = 39083798322859298, which contains 22 as substring.

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 139792343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139792333) 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, 4111523 + ... + 4111556.

It is an arithmetic number, because the mean of its divisors is an integer number (37003860).

Almost surely, 2139792343 is an apocalyptic number.

139792343 is a deficient number, since it is larger than the sum of its proper divisors (8223097).

139792343 is an equidigital number, since it uses as much as digits as its factorization.

139792343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8223096.

The product of its digits is 122472, while the sum is 41.

The square root of 139792343 is about 11823.3811999783. The cubic root of 139792343 is about 518.9925551134.

The spelling of 139792343 in words is "one hundred thirty-nine million, seven hundred ninety-two thousand, three hundred forty-three".

Divisors: 1 17 8223079 139792343