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2395139 = 2982591
BaseRepresentation
bin1001001000110000000011
311111200111212
421020300003
51103121024
6123200335
726233625
oct11106003
94450455
102395139
11139655a
129760ab
1365b256
14464c15
15324a0e
hex248c03

2395139 has 4 divisors (see below), whose sum is σ = 2477760. Its totient is φ = 2312520.

The previous prime is 2395117. The next prime is 2395157. The reversal of 2395139 is 9315932.

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 2395139 - 212 = 2391043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2395189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41267 + ... + 41324.

It is an arithmetic number, because the mean of its divisors is an integer number (619440).

22395139 is an apocalyptic number.

2395139 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2395139 is a deficient number, since it is larger than the sum of its proper divisors (82621).

2395139 is an equidigital number, since it uses as much as digits as its factorization.

2395139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82620.

The product of its digits is 7290, while the sum is 32.

The square root of 2395139 is about 1547.6236622642. The cubic root of 2395139 is about 133.7961368769.

It can be divided in two parts, 239 and 5139, that multiplied together give a palindrome (1228221).

The spelling of 2395139 in words is "two million, three hundred ninety-five thousand, one hundred thirty-nine".

Divisors: 1 29 82591 2395139