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250421401 = 2319954713
BaseRepresentation
bin11101110110100…
…10000010011001
3122110012201120201
432323102002121
51003101441101
640503222201
76130355356
oct1673220231
9573181521
10250421401
111193a133a
126ba47961
133cb5c459
142538962d
1516eb8e01
hexeed2099

250421401 has 8 divisors (see below), whose sum is σ = 262627200. Its totient is φ = 238325472.

The previous prime is 250421363. The next prime is 250421417. The reversal of 250421401 is 104124052.

250421401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 250421401 - 211 = 250419353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (250421461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22780 + ... + 31933.

It is an arithmetic number, because the mean of its divisors is an integer number (32828400).

Almost surely, 2250421401 is an apocalyptic number.

It is an amenable number.

250421401 is a deficient number, since it is larger than the sum of its proper divisors (12205799).

250421401 is a wasteful number, since it uses less digits than its factorization.

250421401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54935.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 250421401 is about 15824.7085597176. The cubic root of 250421401 is about 630.3142809179.

Adding to 250421401 its reverse (104124052), we get a palindrome (354545453).

The spelling of 250421401 in words is "two hundred fifty million, four hundred twenty-one thousand, four hundred one".

Divisors: 1 23 199 4577 54713 1258399 10887887 250421401