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2505079 = 3180809
BaseRepresentation
bin1001100011100101110111
311201021022201
421203211313
51120130304
6125405331
730202303
oct11434567
94637281
102505079
111461115
12a09847
136992c5
14492d03
153473a4
hex263977

2505079 has 4 divisors (see below), whose sum is σ = 2585920. Its totient is φ = 2424240.

The previous prime is 2505077. The next prime is 2505101. The reversal of 2505079 is 9705052.

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 2505079 - 21 = 2505077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505073) 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, 40374 + ... + 40435.

It is an arithmetic number, because the mean of its divisors is an integer number (646480).

22505079 is an apocalyptic number.

2505079 is a deficient number, since it is larger than the sum of its proper divisors (80841).

2505079 is an equidigital number, since it uses as much as digits as its factorization.

2505079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80840.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 2505079 is about 1582.7441359866. The cubic root of 2505079 is about 135.8127288388.

It can be divided in two parts, 250 and 5079, that added together give a square (5329 = 732).

The spelling of 2505079 in words is "two million, five hundred five thousand, seventy-nine".

Divisors: 1 31 80809 2505079