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25001313 = 334923879
BaseRepresentation
bin101111101011…
…1110101100001
31202001012100120
41133113311201
522400020223
62251510453
7422336061
oct137276541
952035316
1025001313
1113126947
128458429
13524499c
14346b3a1
1522dcbe3
hex17d7d61

25001313 has 8 divisors (see below), whose sum is σ = 33432000. Its totient is φ = 16619088.

The previous prime is 25001303. The next prime is 25001329. The reversal of 25001313 is 31310052.

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 25001313 - 24 = 25001297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25001292 and 25001301.

It is not an unprimeable number, because it can be changed into a prime (25001303) 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, 10893 + ... + 12986.

It is an arithmetic number, because the mean of its divisors is an integer number (4179000).

Almost surely, 225001313 is an apocalyptic number.

It is an amenable number.

25001313 is a deficient number, since it is larger than the sum of its proper divisors (8430687).

25001313 is a wasteful number, since it uses less digits than its factorization.

25001313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24231.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 25001313 is about 5000.1312982761. The cubic root of 25001313 is about 292.4068927121.

Adding to 25001313 its reverse (31310052), we get a palindrome (56311365).

The spelling of 25001313 in words is "twenty-five million, one thousand, three hundred thirteen".

Divisors: 1 3 349 1047 23879 71637 8333771 25001313