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250420343 = 2320835227
BaseRepresentation
bin11101110110100…
…01110001110111
3122110012200010112
432323101301313
51003101422333
640503213235
76130352315
oct1673216167
9573180115
10250420343
111193a0568
126ba4721b
133cb5bb24
14253890b5
1516eb8948
hexeed1c77

250420343 has 8 divisors (see below), whose sum is σ = 261483648. Its totient is φ = 239371704.

The previous prime is 250420301. The next prime is 250420351. The reversal of 250420343 is 343024052.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-250420343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250420243) 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, 45296 + ... + 50522.

It is an arithmetic number, because the mean of its divisors is an integer number (32685456).

Almost surely, 2250420343 is an apocalyptic number.

250420343 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

250420343 is a deficient number, since it is larger than the sum of its proper divisors (11063305).

250420343 is a wasteful number, since it uses less digits than its factorization.

250420343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7333.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 250420343 is about 15824.6751309466. The cubic root of 250420343 is about 630.3133932496.

Adding to 250420343 its reverse (343024052), we get a palindrome (593444395).

The spelling of 250420343 in words is "two hundred fifty million, four hundred twenty thousand, three hundred forty-three".

Divisors: 1 23 2083 5227 47909 120221 10887841 250420343