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250335025 = 5210013401
BaseRepresentation
bin11101110101111…
…00111100110001
3122110001100002121
432322330330301
51003041210100
640501314241
76126545503
oct1672747461
9573040077
10250335025
11119342456
126ba05981
133cb2c045
1425365d73
1516e9d51a
hexeebcf31

250335025 has 6 divisors (see below), whose sum is σ = 310415462. Its totient is φ = 200268000.

The previous prime is 250334999. The next prime is 250335037. The reversal of 250335025 is 520533052.

It can be written as a sum of positive squares in 3 ways, for example, as 45387169 + 204947856 = 6737^2 + 14316^2 .

It is not a de Polignac number, because 250335025 - 211 = 250332977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 10013401 = 250335025 / (2 + 5 + 0 + 3 + 3 + 5 + 0 + 2 + 5).

It is a Duffinian number.

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, 5006676 + ... + 5006725.

Almost surely, 2250335025 is an apocalyptic number.

250335025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

250335025 is a deficient number, since it is larger than the sum of its proper divisors (60080437).

250335025 is a wasteful number, since it uses less digits than its factorization.

250335025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10013411 (or 10013406 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 250335025 is about 15821.9791745534. The cubic root of 250335025 is about 630.2418027045.

Adding to 250335025 its reverse (520533052), we get a palindrome (770868077).

The spelling of 250335025 in words is "two hundred fifty million, three hundred thirty-five thousand, twenty-five".

Divisors: 1 5 25 10013401 50067005 250335025