Search a number
-
+
200233540 = 22513770129
BaseRepresentation
bin10111110111101…
…01001001000100
3111221202220210001
423323311021010
5402224433130
631511411044
74650646153
oct1373651104
9457686701
10200233540
11a3032471
1257083a84
13326396b0
141c84359a
15128a36ca
hexbef5244

200233540 has 24 divisors (see below), whose sum is σ = 452836440. Its totient is φ = 73932288.

The previous prime is 200233507. The next prime is 200233541. The reversal of 200233540 is 45332002.

It can be written as a sum of positive squares in 4 ways, for example, as 23503104 + 176730436 = 4848^2 + 13294^2 .

It is not an unprimeable number, because it can be changed into a prime (200233541) 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, 384805 + ... + 385324.

It is an arithmetic number, because the mean of its divisors is an integer number (18868185).

Almost surely, 2200233540 is an apocalyptic number.

200233540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200233540 is an abundant number, since it is smaller than the sum of its proper divisors (252602900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200233540 is a wasteful number, since it uses less digits than its factorization.

200233540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770151 (or 770149 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 200233540 is about 14150.3901006297. The cubic root of 200233540 is about 585.0310841349.

Adding to 200233540 its reverse (45332002), we get a palindrome (245565542).

The spelling of 200233540 in words is "two hundred million, two hundred thirty-three thousand, five hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 770129 1540258 3080516 3850645 7701290 10011677 15402580 20023354 40046708 50058385 100116770 200233540