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250225133 = 475323939
BaseRepresentation
bin11101110101000…
…10000111101101
3122102211202100112
432322202013231
51003024201013
640455105405
76125610224
oct1672420755
9572752315
10250225133
11119277934
126b972265
133cac1012
1425337cbb
1516e7aba8
hexeea21ed

250225133 has 4 divisors (see below), whose sum is σ = 255549120. Its totient is φ = 244901148.

The previous prime is 250225123. The next prime is 250225169. The reversal of 250225133 is 331522052.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 250225133 - 26 = 250225069 is a prime.

It is a super-2 number, since 2×2502251332 = 125225234369735378, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 250225099 and 250225108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250225123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2661923 + ... + 2662016.

It is an arithmetic number, because the mean of its divisors is an integer number (63887280).

Almost surely, 2250225133 is an apocalyptic number.

It is an amenable number.

250225133 is a deficient number, since it is larger than the sum of its proper divisors (5323987).

250225133 is an equidigital number, since it uses as much as digits as its factorization.

250225133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5323986.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 250225133 is about 15818.5060293316. The cubic root of 250225133 is about 630.1495680828.

Adding to 250225133 its reverse (331522052), we get a palindrome (581747185).

The spelling of 250225133 in words is "two hundred fifty million, two hundred twenty-five thousand, one hundred thirty-three".

Divisors: 1 47 5323939 250225133