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250610725 = 5212178237
BaseRepresentation
bin11101111000000…
…00010000100101
3122110120100021201
432330000100211
51003124020400
640511242501
76132104341
oct1674002045
9573510251
10250610725
11119510602
126bb19431
133cbc7691
14253d8621
151700506a
hexef00425

250610725 has 12 divisors (see below), whose sum is σ = 311050404. Its totient is φ = 200299520.

The previous prime is 250610681. The next prime is 250610749. The reversal of 250610725 is 527016052.

It can be written as a sum of positive squares in 6 ways, for example, as 6220036 + 244390689 = 2494^2 + 15633^2 .

It is not a de Polignac number, because 250610725 - 27 = 250610597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 250610693 and 250610702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26307 + ... + 34543.

It is an arithmetic number, because the mean of its divisors is an integer number (25920867).

Almost surely, 2250610725 is an apocalyptic number.

250610725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

250610725 is a deficient number, since it is larger than the sum of its proper divisors (60439679).

250610725 is a wasteful number, since it uses less digits than its factorization.

250610725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9464 (or 9459 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 250610725 is about 15830.6893406446. The cubic root of 250610725 is about 630.4730846518.

Adding to 250610725 its reverse (527016052), we get a palindrome (777626777).

It can be divided in two parts, 2506 and 10725, that added together give a palindrome (13231).

The spelling of 250610725 in words is "two hundred fifty million, six hundred ten thousand, seven hundred twenty-five".

Divisors: 1 5 25 1217 6085 8237 30425 41185 205925 10024429 50122145 250610725