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352204285 = 570440857
BaseRepresentation
bin10100111111100…
…011010111111101
3220112201211110011
4110333203113331
51210131014120
654540543221
711504454436
oct2477432775
9815654404
10352204285
111708a0324
1299b51b11
1357c78604
1434ac248d
1520dc1c5a
hex14fe35fd

352204285 has 4 divisors (see below), whose sum is σ = 422645148. Its totient is φ = 281763424.

The previous prime is 352204247. The next prime is 352204289. The reversal of 352204285 is 582402253.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 272976484 + 79227801 = 16522^2 + 8901^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-352204285 is a prime.

It is a super-2 number, since 2×3522042852 = 248095716744722450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352204289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35220424 + ... + 35220433.

It is an arithmetic number, because the mean of its divisors is an integer number (105661287).

Almost surely, 2352204285 is an apocalyptic number.

It is an amenable number.

352204285 is a deficient number, since it is larger than the sum of its proper divisors (70440863).

352204285 is an equidigital number, since it uses as much as digits as its factorization.

352204285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70440862.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 352204285 is about 18767.1064631711. The cubic root of 352204285 is about 706.2062310307.

The spelling of 352204285 in words is "three hundred fifty-two million, two hundred four thousand, two hundred eighty-five".

Divisors: 1 5 70440857 352204285