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25212234 = 2359671063
BaseRepresentation
bin110000000101…
…1010101001010
31202102220200110
41200023111022
522423242414
62300215150
7424205025
oct140132512
952386613
1025212234
1113260363
12853a4b6
1352b99a8
1434c41bc
152330459
hex180b54a

25212234 has 32 divisors (see below), whose sum is σ = 52093440. Its totient is φ = 8130672.

The previous prime is 25212227. The next prime is 25212251. The reversal of 25212234 is 43221252.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25212234.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23187 + ... + 24249.

It is an arithmetic number, because the mean of its divisors is an integer number (1627920).

Almost surely, 225212234 is an apocalyptic number.

25212234 is an abundant number, since it is smaller than the sum of its proper divisors (26881206).

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

25212234 is a wasteful number, since it uses less digits than its factorization.

25212234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194.

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

The square root of 25212234 is about 5021.1785469151. The cubic root of 25212234 is about 293.2268779796.

Adding to 25212234 its reverse (43221252), we get a palindrome (68433486).

The spelling of 25212234 in words is "twenty-five million, two hundred twelve thousand, two hundred thirty-four".

Divisors: 1 2 3 6 59 67 118 134 177 201 354 402 1063 2126 3189 3953 6378 7906 11859 23718 62717 71221 125434 142442 188151 213663 376302 427326 4202039 8404078 12606117 25212234