Search a number
-
+
332221323 = 3722260009
BaseRepresentation
bin10011110011010…
…100101110001011
3212011010120222110
4103303110232023
51140022040243
652544353403
711142556200
oct2363245613
9764116873
10332221323
11160591885
1293315863
1353a9cb85
143219dca7
151e275e33
hex13cd4b8b

332221323 has 12 divisors (see below), whose sum is σ = 515282280. Its totient is φ = 189840672.

The previous prime is 332221249. The next prime is 332221349. The reversal of 332221323 is 323122233.

It is not a de Polignac number, because 332221323 - 213 = 332213131 is a prime.

It is a super-2 number, since 2×3322213232 = 220742014911740658, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 332221323.

It is not an unprimeable number, because it can be changed into a prime (332221363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1129858 + ... + 1130151.

It is an arithmetic number, because the mean of its divisors is an integer number (42940190).

Almost surely, 2332221323 is an apocalyptic number.

332221323 is a deficient number, since it is larger than the sum of its proper divisors (183060957).

332221323 is a wasteful number, since it uses less digits than its factorization.

332221323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260026 (or 2260019 counting only the distinct ones).

The product of its digits is 1296, while the sum is 21.

The square root of 332221323 is about 18226.9394852784. The cubic root of 332221323 is about 692.5893904686.

Adding to 332221323 its reverse (323122233), we get a palindrome (655343556).

The spelling of 332221323 in words is "three hundred thirty-two million, two hundred twenty-one thousand, three hundred twenty-three".

Divisors: 1 3 7 21 49 147 2260009 6780027 15820063 47460189 110740441 332221323