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453659668 = 227117320177
BaseRepresentation
bin11011000010100…
…100110000010100
31011121122022001221
4123002210300110
51412114102133
6113003300124
714146020640
oct3302446024
91147568057
10453659668
11213096250
12107b1a644
1372cab697
1444371c20
1529c62a2d
hex1b0a4c14

453659668 has 48 divisors (see below), whose sum is σ = 1003411584. Its totient is φ = 174320640.

The previous prime is 453659653. The next prime is 453659669. The reversal of 453659668 is 866956354.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453659669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12396 + ... + 32572.

It is an arithmetic number, because the mean of its divisors is an integer number (20904408).

Almost surely, 2453659668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 453659668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (501705792).

453659668 is an abundant number, since it is smaller than the sum of its proper divisors (549751916).

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

453659668 is a wasteful number, since it uses less digits than its factorization.

453659668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20272 (or 20270 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 52.

The square root of 453659668 is about 21299.2879693195. The cubic root of 453659668 is about 768.3811878141.

The spelling of 453659668 in words is "four hundred fifty-three million, six hundred fifty-nine thousand, six hundred sixty-eight".

Divisors: 1 2 4 7 11 14 22 28 44 73 77 146 154 292 308 511 803 1022 1606 2044 3212 5621 11242 20177 22484 40354 80708 141239 221947 282478 443894 564956 887788 1472921 1553629 2945842 3107258 5891684 6214516 10310447 16202131 20620894 32404262 41241788 64808524 113414917 226829834 453659668