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450120137 = 676718211
BaseRepresentation
bin11010110101000…
…100100111001001
31011100222110202012
4122311010213021
51410212321022
6112355345305
714103646415
oct3265044711
91140873665
10450120137
11211098a15
121068b2235
137233c59c
1443acdd45
15297b3de2
hex1ad449c9

450120137 has 4 divisors (see below), whose sum is σ = 456838416. Its totient is φ = 443401860.

The previous prime is 450120103. The next prime is 450120157. The reversal of 450120137 is 731021054.

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 450120137 - 216 = 450054601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450120157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3359039 + ... + 3359172.

It is an arithmetic number, because the mean of its divisors is an integer number (114209604).

Almost surely, 2450120137 is an apocalyptic number.

It is an amenable number.

450120137 is a deficient number, since it is larger than the sum of its proper divisors (6718279).

450120137 is an equidigital number, since it uses as much as digits as its factorization.

450120137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6718278.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 450120137 is about 21216.0349028748. The cubic root of 450120137 is about 766.3776204860.

The spelling of 450120137 in words is "four hundred fifty million, one hundred twenty thousand, one hundred thirty-seven".

Divisors: 1 67 6718211 450120137