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450992023 = 2271986749
BaseRepresentation
bin11010111000011…
…001011110010111
31011102121202202021
4122320121132113
51410423221043
6112430154011
714114240356
oct3270313627
91142552667
10450992023
11211633a89
12107052907
13725863b1
1443c7999d
15298d73ed
hex1ae19797

450992023 has 4 divisors (see below), whose sum is σ = 452979000. Its totient is φ = 449005048.

The previous prime is 450992011. The next prime is 450992057. The reversal of 450992023 is 320299054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320299054 = 2160149527.

It is a cyclic number.

It is not a de Polignac number, because 450992023 - 25 = 450991991 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 450992023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450992063) 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 3 ways as a sum of consecutive naturals, for example, 993148 + ... + 993601.

It is an arithmetic number, because the mean of its divisors is an integer number (113244750).

Almost surely, 2450992023 is an apocalyptic number.

450992023 is a deficient number, since it is larger than the sum of its proper divisors (1986977).

450992023 is a wasteful number, since it uses less digits than its factorization.

450992023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1986976.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 450992023 is about 21236.5727696349. The cubic root of 450992023 is about 766.8721276888.

The spelling of 450992023 in words is "four hundred fifty million, nine hundred ninety-two thousand, twenty-three".

Divisors: 1 227 1986749 450992023