Search a number
BaseRepresentation
bin11010110101100…
…101110101110010
31011101020101110010
4122311211311302
51410231144432
6112402315350
714105054262
oct3265456562
91141211403
10450256242
112111811a7
12106958b56
1372389517
1443b277a2
15297de3cc

450256242 has 32 divisors (see below), whose sum is σ = 916634880. Its totient is φ = 147419600.

The previous prime is 450256241. The next prime is 450256259. The reversal of 450256242 is 242652054.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (450256241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86617 + ... + 91667.

It is an arithmetic number, because the mean of its divisors is an integer number (28644840).

Almost surely, 2450256242 is an apocalyptic number.

450256242 is an abundant number, since it is smaller than the sum of its proper divisors (466378638).

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

450256242 is a wasteful number, since it uses less digits than its factorization.

450256242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5318.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 450256242 is about 21219.2422579130. The cubic root of 450256242 is about 766.4548571360.

The spelling of 450256242 in words is "four hundred fifty million, two hundred fifty-six thousand, two hundred forty-two".