[go: up one dir, main page]

Search a number
-
+
203992996 = 22172999897
BaseRepresentation
bin11000010100010…
…10111110100100
3112012211220210011
430022022332210
5404210233441
632124140004
75024624524
oct1412127644
9465756704
10203992996
11a516aa59
1258397604
133335491c
141d141684
1512d97581
hexc28afa4

203992996 has 12 divisors (see below), whose sum is σ = 377987148. Its totient is φ = 95996672.

The previous prime is 203992993. The next prime is 203993017. The reversal of 203992996 is 699299302.

It can be written as a sum of positive squares in 2 ways, for example, as 106378596 + 97614400 = 10314^2 + 9880^2 .

It is a super-2 number, since 2×2039929962 = 83226284834112032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (203992991) by changing a digit.

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, 1499881 + ... + 1500016.

It is an arithmetic number, because the mean of its divisors is an integer number (31498929).

Almost surely, 2203992996 is an apocalyptic number.

It is an amenable number.

203992996 is a deficient number, since it is larger than the sum of its proper divisors (173994152).

203992996 is a wasteful number, since it uses less digits than its factorization.

203992996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2999918 (or 2999916 counting only the distinct ones).

The product of its (nonzero) digits is 472392, while the sum is 49.

The square root of 203992996 is about 14282.6116659384. The cubic root of 203992996 is about 588.6697945354.

The spelling of 203992996 in words is "two hundred three million, nine hundred ninety-two thousand, nine hundred ninety-six".

Divisors: 1 2 4 17 34 68 2999897 5999794 11999588 50998249 101996498 203992996