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450313769 = 29123712553
BaseRepresentation
bin11010110101110…
…011111000101001
31011101100022100202
4122311303320221
51410240020034
6112403441545
714105414063
oct3265637051
91141308322
10450313769
11211210444
121069862b5
13723a9769
1443b40733
152980147e
hex1ad73e29

450313769 has 8 divisors (see below), whose sum is σ = 466255560. Its totient is φ = 434399616.

The previous prime is 450313753. The next prime is 450313817. The reversal of 450313769 is 967313054.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 278389225 + 171924544 = 16685^2 + 13112^2 .

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 450313769 - 24 = 450313753 is a prime.

It is a super-2 number, since 2×4503137692 = 405564981101970722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450313739) 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 7 ways as a sum of consecutive naturals, for example, 29597 + ... + 42149.

It is an arithmetic number, because the mean of its divisors is an integer number (58281945).

Almost surely, 2450313769 is an apocalyptic number.

It is an amenable number.

450313769 is a deficient number, since it is larger than the sum of its proper divisors (15941791).

450313769 is a wasteful number, since it uses less digits than its factorization.

450313769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13819.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 450313769 is about 21220.5977531266. The cubic root of 450313769 is about 766.4874977873.

The spelling of 450313769 in words is "four hundred fifty million, three hundred thirteen thousand, seven hundred sixty-nine".

Divisors: 1 29 1237 12553 35873 364037 15528061 450313769