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250438141 = 833017327
BaseRepresentation
bin11101110110101…
…10000111111101
3122110020120112201
432323112013331
51003103010031
640503431501
76130455232
oct1673260775
9573216481
10250438141
11119402978
126ba55591
133cb66c65
1425391789
1516ebdd61
hexeed61fd

250438141 has 4 divisors (see below), whose sum is σ = 253455552. Its totient is φ = 247420732.

The previous prime is 250438129. The next prime is 250438147. The reversal of 250438141 is 141834052.

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 250438141 - 227 = 116220413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250438147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1508581 + ... + 1508746.

It is an arithmetic number, because the mean of its divisors is an integer number (63363888).

Almost surely, 2250438141 is an apocalyptic number.

It is an amenable number.

250438141 is a deficient number, since it is larger than the sum of its proper divisors (3017411).

250438141 is an equidigital number, since it uses as much as digits as its factorization.

250438141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3017410.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 250438141 is about 15825.2374705721. The cubic root of 250438141 is about 630.3283255455.

The spelling of 250438141 in words is "two hundred fifty million, four hundred thirty-eight thousand, one hundred forty-one".

Divisors: 1 83 3017327 250438141