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452302989 = 3314863473
BaseRepresentation
bin11010111101011…
…001100010001101
31011112002101001120
4122331121202031
51411242143424
6112514231153
714131340415
oct3275314215
91145071046
10452302989
11212349a26
121075854b9
1372925008
14440db645
1529a95a79
hex1af5988d

452302989 has 8 divisors (see below), whose sum is σ = 622524672. Its totient is φ = 291808320.

The previous prime is 452302979. The next prime is 452302993. The reversal of 452302989 is 989203254.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 452302989 - 25 = 452302957 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 452302989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452302979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2431644 + ... + 2431829.

It is an arithmetic number, because the mean of its divisors is an integer number (77815584).

Almost surely, 2452302989 is an apocalyptic number.

It is an amenable number.

452302989 is a deficient number, since it is larger than the sum of its proper divisors (170221683).

452302989 is a wasteful number, since it uses less digits than its factorization.

452302989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4863507.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 452302989 is about 21267.4161336068. The cubic root of 452302989 is about 767.6144695170.

The spelling of 452302989 in words is "four hundred fifty-two million, three hundred two thousand, nine hundred eighty-nine".

Divisors: 1 3 31 93 4863473 14590419 150767663 452302989