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25134423 = 323364267
BaseRepresentation
bin101111111100…
…0010101010111
31202021221221120
41133320111113
522413300143
62254415023
7423432126
oct137702527
952257846
1025134423
1113207956
128501473
135290452
1434a3abd
152317383
hex17f8557

25134423 has 8 divisors (see below), whose sum is σ = 34969728. Its totient is φ = 16027704.

The previous prime is 25134391. The next prime is 25134463. The reversal of 25134423 is 32443152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25134423 - 25 = 25134391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25134393 and 25134402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25134463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182065 + ... + 182202.

It is an arithmetic number, because the mean of its divisors is an integer number (4371216).

Almost surely, 225134423 is an apocalyptic number.

25134423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

25134423 is a deficient number, since it is larger than the sum of its proper divisors (9835305).

25134423 is a wasteful number, since it uses less digits than its factorization.

25134423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364293.

The product of its digits is 2880, while the sum is 24.

The square root of 25134423 is about 5013.4242788737. The cubic root of 25134423 is about 292.9249109650.

Adding to 25134423 its reverse (32443152), we get a palindrome (57577575).

The spelling of 25134423 in words is "twenty-five million, one hundred thirty-four thousand, four hundred twenty-three".

Divisors: 1 3 23 69 364267 1092801 8378141 25134423