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250442263 = 9713119709
BaseRepresentation
bin11101110110101…
…11001000010111
3122110020210012101
432323113020113
51003103123023
640503502531
76130503241
oct1673271027
9573223171
10250442263
11119405a85
126ba57a47
133cb68ab6
1425393091
1516ec01ad
hexeed7217

250442263 has 8 divisors (see below), whose sum is σ = 254968560. Its totient is φ = 245955840.

The previous prime is 250442261. The next prime is 250442281. The reversal of 250442263 is 362244052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 250442263 - 21 = 250442261 is a prime.

It is a super-2 number, since 2×2504422632 = 125442654193122338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250442261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2853 + ... + 22561.

It is an arithmetic number, because the mean of its divisors is an integer number (31871070).

Almost surely, 2250442263 is an apocalyptic number.

250442263 is a deficient number, since it is larger than the sum of its proper divisors (4526297).

250442263 is a wasteful number, since it uses less digits than its factorization.

250442263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19937.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 250442263 is about 15825.3677050488. The cubic root of 250442263 is about 630.3317837502.

The spelling of 250442263 in words is "two hundred fifty million, four hundred forty-two thousand, two hundred sixty-three".

Divisors: 1 97 131 12707 19709 1911773 2581879 250442263