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232420225 = 529296809
BaseRepresentation
bin11011101101001…
…11001110000001
3121012100011121111
431312213032001
5433444421400
635021323321
75521352662
oct1566471601
9535304544
10232420225
1110a216834
1265a06541
13391c8a7b
1422c21369
15156103ba
hexdda7381

232420225 has 6 divisors (see below), whose sum is σ = 288201110. Its totient is φ = 185936160.

The previous prime is 232420219. The next prime is 232420249. The reversal of 232420225 is 522024232.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 13024881 + 219395344 = 3609^2 + 14812^2 .

It is not a de Polignac number, because 232420225 - 29 = 232419713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 232420196 and 232420205.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4648380 + ... + 4648429.

Almost surely, 2232420225 is an apocalyptic number.

232420225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

232420225 is a deficient number, since it is larger than the sum of its proper divisors (55780885).

232420225 is an equidigital number, since it uses as much as digits as its factorization.

232420225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9296819 (or 9296814 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 232420225 is about 15245.3345322430. The cubic root of 232420225 is about 614.8341368652.

Adding to 232420225 its reverse (522024232), we get a palindrome (754444457).

The spelling of 232420225 in words is "two hundred thirty-two million, four hundred twenty thousand, two hundred twenty-five".

Divisors: 1 5 25 9296809 46484045 232420225