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25425006 = 234237501
BaseRepresentation
bin110000011111…
…1010001101110
31202211201112220
41200333101232
523002100011
62304540210
7426052245
oct140772156
952751486
1025425006
1113396202
128621666
1353627a9
14353b95c
152373506
hex183f46e

25425006 has 8 divisors (see below), whose sum is σ = 50850024. Its totient is φ = 8475000.

The previous prime is 25424989. The next prime is 25425007. The reversal of 25425006 is 60052452.

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

25425006 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25425007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2118745 + ... + 2118756.

It is an arithmetic number, because the mean of its divisors is an integer number (6356253).

Almost surely, 225425006 is an apocalyptic number.

25425006 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25425006 is a wasteful number, since it uses less digits than its factorization.

25425006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4237506.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 25425006 is about 5042.3214891556. The cubic root of 25425006 is about 294.0494386757.

Adding to 25425006 its reverse (60052452), we get a palindrome (85477458).

The spelling of 25425006 in words is "twenty-five million, four hundred twenty-five thousand, six".

Divisors: 1 2 3 6 4237501 8475002 12712503 25425006