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4679139 = 31559713
BaseRepresentation
bin10001110110010111100011
322210201120110
4101312113203
52144213024
6244142403
754525543
oct21662743
98721513
104679139
112706563
121697a03
13c7aa2a
1489b323
15626629
hex4765e3

4679139 has 4 divisors (see below), whose sum is σ = 6238856. Its totient is φ = 3119424.

The previous prime is 4679137. The next prime is 4679141. The reversal of 4679139 is 9319764.

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

It is an interprime number because it is at equal distance from previous prime (4679137) and next prime (4679141).

It is not a de Polignac number, because 4679139 - 21 = 4679137 is a prime.

It is a D-number.

It is a Duffinian number.

4679139 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4679097 and 4679106.

It is not an unprimeable number, because it can be changed into a prime (4679137) 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, 779854 + ... + 779859.

It is an arithmetic number, because the mean of its divisors is an integer number (1559714).

Almost surely, 24679139 is an apocalyptic number.

4679139 is a deficient number, since it is larger than the sum of its proper divisors (1559717).

4679139 is a wasteful number, since it uses less digits than its factorization.

4679139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1559716.

The product of its digits is 40824, while the sum is 39.

The square root of 4679139 is about 2163.1317574295. The cubic root of 4679139 is about 167.2586737867.

The spelling of 4679139 in words is "four million, six hundred seventy-nine thousand, one hundred thirty-nine".

Divisors: 1 3 1559713 4679139