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25213422 = 2313323249
BaseRepresentation
bin110000000101…
…1100111101110
31202102222022110
41200023213232
522423312142
62300224450
7424211343
oct140134756
952388273
1025213422
1113261243
12853b126
1352ba3b0
1434c47ca
15233099c
hex180b9ee

25213422 has 16 divisors (see below), whose sum is σ = 54306000. Its totient is φ = 7757952.

The previous prime is 25213421. The next prime is 25213423. The reversal of 25213422 is 22431252.

It is an interprime number because it is at equal distance from previous prime (25213421) and next prime (25213423).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25213421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161547 + ... + 161702.

It is an arithmetic number, because the mean of its divisors is an integer number (3394125).

Almost surely, 225213422 is an apocalyptic number.

25213422 is an abundant number, since it is smaller than the sum of its proper divisors (29092578).

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

25213422 is a wasteful number, since it uses less digits than its factorization.

25213422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323267.

The product of its digits is 960, while the sum is 21.

The square root of 25213422 is about 5021.2968444417. The cubic root of 25213422 is about 293.2314835223.

Adding to 25213422 its reverse (22431252), we get a palindrome (47644674).

The spelling of 25213422 in words is "twenty-five million, two hundred thirteen thousand, four hundred twenty-two".

Divisors: 1 2 3 6 13 26 39 78 323249 646498 969747 1939494 4202237 8404474 12606711 25213422