Search a number
-
+
200301021 = 32171968903
BaseRepresentation
bin10111111000001…
…01100111011101
3111221220100100100
423330011213131
5402234113041
631513051313
74651346664
oct1374054735
9457810310
10200301021
11a3079138
12570b6b39
133266131b
141c85dddb
15128b86b6
hexbf059dd

200301021 has 24 divisors (see below), whose sum is σ = 322470720. Its totient is φ = 119062656.

The previous prime is 200301019. The next prime is 200301041. The reversal of 200301021 is 120103002.

It is a happy number.

It is not a de Polignac number, because 200301021 - 21 = 200301019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 200300994 and 200301012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200301001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31545 + ... + 37358.

It is an arithmetic number, because the mean of its divisors is an integer number (13436280).

Almost surely, 2200301021 is an apocalyptic number.

It is an amenable number.

200301021 is a deficient number, since it is larger than the sum of its proper divisors (122169699).

200301021 is a wasteful number, since it uses less digits than its factorization.

200301021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68945 (or 68942 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 200301021 is about 14152.7743216657. The cubic root of 200301021 is about 585.0967974823.

Adding to 200301021 its reverse (120103002), we get a palindrome (320404023).

The spelling of 200301021 in words is "two hundred million, three hundred one thousand, twenty-one".

Divisors: 1 3 9 17 19 51 57 153 171 323 969 2907 68903 206709 620127 1171351 1309157 3514053 3927471 10542159 11782413 22255669 66767007 200301021