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452828069 = 2915614761
BaseRepresentation
bin11010111111011…
…001101110100101
31011120002001022222
4122333121232211
51411410444234
6112533402125
714135655311
oct3277315645
91146061288
10452828069
11212678481
12107799345
1372a7a005
14441d6b41
1529b4b42e
hex1afd9ba5

452828069 has 4 divisors (see below), whose sum is σ = 468442860. Its totient is φ = 437213280.

The previous prime is 452828053. The next prime is 452828081. The reversal of 452828069 is 960828254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 960828254 = 2480414127.

It can be written as a sum of positive squares in 2 ways, for example, as 141729025 + 311099044 = 11905^2 + 17638^2 .

It is not a de Polignac number, because 452828069 - 24 = 452828053 is a prime.

It is a super-2 number, since 2×4528280692 = 410106520148537522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452828039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7807352 + ... + 7807409.

It is an arithmetic number, because the mean of its divisors is an integer number (117110715).

Almost surely, 2452828069 is an apocalyptic number.

It is an amenable number.

452828069 is a deficient number, since it is larger than the sum of its proper divisors (15614791).

452828069 is a wasteful number, since it uses less digits than its factorization.

452828069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15614790.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 452828069 is about 21279.7572589539. The cubic root of 452828069 is about 767.9113966839.

The spelling of 452828069 in words is "four hundred fifty-two million, eight hundred twenty-eight thousand, sixty-nine".

Divisors: 1 29 15614761 452828069