Base | Representation |
---|---|
bin | 11101110110000… |
… | …01001011111101 |
3 | 122110002012220102 |
4 | 32323001023331 |
5 | 1003042234011 |
6 | 40501530445 |
7 | 6126650216 |
oct | 1673011375 |
9 | 573065812 |
10 | 250352381 |
11 | 1193544a4 |
12 | 6ba13a25 |
13 | 3cb36c06 |
14 | 2536c40d |
15 | 16ea373b |
hex | eec12fd |
250352381 has 4 divisors (see below), whose sum is σ = 250404000. Its totient is φ = 250300764.
The previous prime is 250352359. The next prime is 250352393. The reversal of 250352381 is 183253052.
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 a de Polignac number, because none of the positive numbers 2k-250352381 is a prime.
It is a super-2 number, since 2×2503523812 = 125352629344738322, 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 (250352351) 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 3 ways as a sum of consecutive naturals, for example, 17681 + ... + 28518.
It is an arithmetic number, because the mean of its divisors is an integer number (62601000).
Almost surely, 2250352381 is an apocalyptic number.
It is an amenable number.
250352381 is a deficient number, since it is larger than the sum of its proper divisors (51619).
250352381 is an equidigital number, since it uses as much as digits as its factorization.
250352381 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51618.
The product of its (nonzero) digits is 7200, while the sum is 29.
The square root of 250352381 is about 15822.5276425734. The cubic root of 250352381 is about 630.2563674849.
The spelling of 250352381 in words is "two hundred fifty million, three hundred fifty-two thousand, three hundred eighty-one".
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