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2386139 = 7340877
BaseRepresentation
bin1001000110100011011011
311111020011112
421012203123
51102324024
6123050535
726165450
oct11064333
94436145
102386139
11138a818
12970a4b
13657122
14461827
1532200e
hex2468db

2386139 has 4 divisors (see below), whose sum is σ = 2727024. Its totient is φ = 2045256.

The previous prime is 2386133. The next prime is 2386169. The reversal of 2386139 is 9316832.

2386139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2386139 - 28 = 2385883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2386133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170432 + ... + 170445.

It is an arithmetic number, because the mean of its divisors is an integer number (681756).

22386139 is an apocalyptic number.

2386139 is a deficient number, since it is larger than the sum of its proper divisors (340885).

2386139 is an equidigital number, since it uses as much as digits as its factorization.

2386139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340884.

The product of its digits is 7776, while the sum is 32.

The square root of 2386139 is about 1544.7132419967. The cubic root of 2386139 is about 133.6283419319.

The spelling of 2386139 in words is "two million, three hundred eighty-six thousand, one hundred thirty-nine".

Divisors: 1 7 340877 2386139