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202830664 = 23214311831
BaseRepresentation
bin11000001011011…
…11001101001000
3112010122212100211
430011233031020
5403411040124
632043210504
75012014021
oct1405571510
9463585324
10202830664
11a4546753
1257b16a34
133303885a
141cd1bc48
1512c17e94
hexc16f348

202830664 has 16 divisors (see below), whose sum is σ = 380517120. Its totient is φ = 101359440.

The previous prime is 202830659. The next prime is 202830697. The reversal of 202830664 is 466038202.

It is a super-2 number, since 2×2028306642 = 82280556517361792, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11229 + ... + 23059.

It is an arithmetic number, because the mean of its divisors is an integer number (23782320).

Almost surely, 2202830664 is an apocalyptic number.

It is an amenable number.

202830664 is a deficient number, since it is larger than the sum of its proper divisors (177686456).

202830664 is a wasteful number, since it uses less digits than its factorization.

202830664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13980 (or 13976 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 202830664 is about 14241.8630803698. The cubic root of 202830664 is about 587.5496034171.

Adding to 202830664 its reverse (466038202), we get a palindrome (668868866).

The spelling of 202830664 in words is "two hundred two million, eight hundred thirty thousand, six hundred sixty-four".

Divisors: 1 2 4 8 2143 4286 8572 11831 17144 23662 47324 94648 25353833 50707666 101415332 202830664