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25052212 = 2261102673
BaseRepresentation
bin101111110010…
…0010000110100
31202010210011201
41133210100310
522403132322
62252542244
7422640343
oct137442064
952123151
1025052212
1113161109
128481984
135261bc3
143481b5a
1522ecd27
hex17e4434

25052212 has 12 divisors (see below), whose sum is σ = 44560516. Its totient is φ = 12320640.

The previous prime is 25052197. The next prime is 25052227. The reversal of 25052212 is 21225052.

It is an interprime number because it is at equal distance from previous prime (25052197) and next prime (25052227).

It can be written as a sum of positive squares in 2 ways, for example, as 9084196 + 15968016 = 3014^2 + 3996^2 .

It is a super-2 number, since 2×250522122 = 1255226652185888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25052212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51093 + ... + 51580.

Almost surely, 225052212 is an apocalyptic number.

It is an amenable number.

25052212 is a deficient number, since it is larger than the sum of its proper divisors (19508304).

25052212 is a wasteful number, since it uses less digits than its factorization.

25052212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102738 (or 102736 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 25052212 is about 5005.2184767500. The cubic root of 25052212 is about 292.6051906951.

Adding to 25052212 its reverse (21225052), we get a palindrome (46277264).

The spelling of 25052212 in words is "twenty-five million, fifty-two thousand, two hundred twelve".

Divisors: 1 2 4 61 122 244 102673 205346 410692 6263053 12526106 25052212