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25414423 = 145317491
BaseRepresentation
bin110000011110…
…0101100010111
31202211012000221
41200330230113
523001230143
62304415211
7426006346
oct140745427
952735027
1025414423
1113389261
128617507
13535aa28
143537b5d
1523702ed
hex183cb17

25414423 has 4 divisors (see below), whose sum is σ = 25433368. Its totient is φ = 25395480.

The previous prime is 25414421. The next prime is 25414429. The reversal of 25414423 is 32441452.

It is a happy number.

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 25414423 - 21 = 25414421 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 (25414421) 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, 7293 + ... + 10198.

It is an arithmetic number, because the mean of its divisors is an integer number (6358342).

Almost surely, 225414423 is an apocalyptic number.

25414423 is a deficient number, since it is larger than the sum of its proper divisors (18945).

25414423 is a wasteful number, since it uses less digits than its factorization.

25414423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18944.

The product of its digits is 3840, while the sum is 25.

The square root of 25414423 is about 5041.2719625110. The cubic root of 25414423 is about 294.0086342660.

Adding to 25414423 its reverse (32441452), we get a palindrome (57855875).

The spelling of 25414423 in words is "twenty-five million, four hundred fourteen thousand, four hundred twenty-three".

Divisors: 1 1453 17491 25414423