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250147242 = 232103134923
BaseRepresentation
bin11101110100011…
…11000110101010
3122102200210111200
432322033012222
51003014202432
640453305030
76125134152
oct1672170652
9572623450
10250147242
11119224364
126b935176
133ca94727
1425317762
1516e62a7c
hexee8f1aa

250147242 has 24 divisors (see below), whose sum is σ = 547251744. Its totient is φ = 82572264.

The previous prime is 250147237. The next prime is 250147267. The reversal of 250147242 is 242741052.

250147242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65608 + ... + 69315.

It is an arithmetic number, because the mean of its divisors is an integer number (22802156).

Almost surely, 2250147242 is an apocalyptic number.

250147242 is an abundant number, since it is smaller than the sum of its proper divisors (297104502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

250147242 is a wasteful number, since it uses less digits than its factorization.

250147242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135034 (or 135031 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 250147242 is about 15816.0438163278. The cubic root of 250147242 is about 630.0841762052.

Adding to 250147242 its reverse (242741052), we get a palindrome (492888294).

The spelling of 250147242 in words is "two hundred fifty million, one hundred forty-seven thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 103 206 309 618 927 1854 134923 269846 404769 809538 1214307 2428614 13897069 27794138 41691207 83382414 125073621 250147242