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25212027 = 310977101
BaseRepresentation
bin110000000101…
…1010001111011
31202102220101210
41200023101323
522423241102
62300214203
7424204311
oct140132173
952386353
1025212027
1113260195
12853a363
1352b9879
1434c40b1
15233036c
hex180b47b

25212027 has 8 divisors (see below), whose sum is σ = 33924880. Its totient is φ = 16653600.

The previous prime is 25212023. The next prime is 25212041. The reversal of 25212027 is 72021252.

It is a happy number.

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

It is not a de Polignac number, because 25212027 - 22 = 25212023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25211994 and 25212012.

It is not an unprimeable number, because it can be changed into a prime (25212023) 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, 38224 + ... + 38877.

It is an arithmetic number, because the mean of its divisors is an integer number (4240610).

Almost surely, 225212027 is an apocalyptic number.

25212027 is a deficient number, since it is larger than the sum of its proper divisors (8712853).

25212027 is a wasteful number, since it uses less digits than its factorization.

25212027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77213.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 25212027 is about 5021.1579341821. The cubic root of 25212027 is about 293.2260754839.

Adding to 25212027 its reverse (72021252), we get a palindrome (97233279).

The spelling of 25212027 in words is "twenty-five million, two hundred twelve thousand, twenty-seven".

Divisors: 1 3 109 327 77101 231303 8404009 25212027