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25213426 = 271800959
BaseRepresentation
bin110000000101…
…1100111110010
31202102222022121
41200023213302
522423312201
62300224454
7424211350
oct140134762
952388277
1025213426
1113261247
12853b12a
1352ba3b4
1434c47d0
1523309a1
hex180b9f2

25213426 has 8 divisors (see below), whose sum is σ = 43223040. Its totient is φ = 10805748.

The previous prime is 25213423. The next prime is 25213427. The reversal of 25213426 is 62431252.

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

It is a self number, because there is not a number n which added to its sum of digits gives 25213426.

It is not an unprimeable number, because it can be changed into a prime (25213421) 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, 900466 + ... + 900493.

It is an arithmetic number, because the mean of its divisors is an integer number (5402880).

Almost surely, 225213426 is an apocalyptic number.

25213426 is a deficient number, since it is larger than the sum of its proper divisors (18009614).

25213426 is a wasteful number, since it uses less digits than its factorization.

25213426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800968.

The product of its digits is 2880, while the sum is 25.

The square root of 25213426 is about 5021.2972427451. The cubic root of 25213426 is about 293.2314990289.

Adding to 25213426 its reverse (62431252), we get a palindrome (87644678).

The spelling of 25213426 in words is "twenty-five million, two hundred thirteen thousand, four hundred twenty-six".

Divisors: 1 2 7 14 1800959 3601918 12606713 25213426