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25246423 = 181139483
BaseRepresentation
bin110000001001…
…1101011010111
31202111122120201
41200103223113
522430341143
62301041331
7424406506
oct140235327
952448521
1025246423
1113284014
128556247
1352cc417
1434d283d
15233a64d
hex1813ad7

25246423 has 4 divisors (see below), whose sum is σ = 25386088. Its totient is φ = 25106760.

The previous prime is 25246399. The next prime is 25246427. The reversal of 25246423 is 32464252.

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 25246423 - 29 = 25245911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25246391 and 25246400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25246427) 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, 69561 + ... + 69922.

It is an arithmetic number, because the mean of its divisors is an integer number (6346522).

Almost surely, 225246423 is an apocalyptic number.

25246423 is a deficient number, since it is larger than the sum of its proper divisors (139665).

25246423 is a wasteful number, since it uses less digits than its factorization.

25246423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139664.

The product of its digits is 11520, while the sum is 28.

The square root of 25246423 is about 5024.5818731512. The cubic root of 25246423 is about 293.3593613555.

It can be divided in two parts, 2 and 5246423, that added together give a palindrome (5246425).

The spelling of 25246423 in words is "twenty-five million, two hundred forty-six thousand, four hundred twenty-three".

Divisors: 1 181 139483 25246423