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25795049 = 73685007
BaseRepresentation
bin110001001100…
…1100111101001
31210112112011012
41202121213221
523100420144
62320513305
7432153140
oct142314751
953475135
1025795049
1113619225
12877b835
135462057
1435d6757
1523e7e9e
hex18999e9

25795049 has 4 divisors (see below), whose sum is σ = 29480064. Its totient is φ = 22110036.

The previous prime is 25795039. The next prime is 25795087. The reversal of 25795049 is 94059752.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25795049 - 212 = 25790953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25794997 and 25795015.

It is not an unprimeable number, because it can be changed into a prime (25795039) 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, 1842497 + ... + 1842510.

It is an arithmetic number, because the mean of its divisors is an integer number (7370016).

Almost surely, 225795049 is an apocalyptic number.

It is an amenable number.

25795049 is a deficient number, since it is larger than the sum of its proper divisors (3685015).

25795049 is an equidigital number, since it uses as much as digits as its factorization.

25795049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3685014.

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 25795049 is about 5078.8826527101. The cubic root of 25795049 is about 295.4691338509.

The spelling of 25795049 in words is "twenty-five million, seven hundred ninety-five thousand, forty-nine".

Divisors: 1 7 3685007 25795049