Search a number
-
+
33242331 = 379140263
BaseRepresentation
bin111111011001…
…1110011011011
32022112212220110
41332303303123
532002223311
63144255403
7552361263
oct176636333
968485813
1033242331
1117845501
12b171563
136b6ba25
1445b47a3
152db98a6
hex1fb3cdb

33242331 has 8 divisors (see below), whose sum is σ = 44884480. Its totient is φ = 21880872.

The previous prime is 33242329. The next prime is 33242333. The reversal of 33242331 is 13324233.

It is an interprime number because it is at equal distance from previous prime (33242329) and next prime (33242333).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 33242331 - 21 = 33242329 is a prime.

It is a super-2 number, since 2×332423312 = 2210105140627122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33242298 and 33242307.

It is not an unprimeable number, because it can be changed into a prime (33242333) 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, 69895 + ... + 70368.

It is an arithmetic number, because the mean of its divisors is an integer number (5610560).

Almost surely, 233242331 is an apocalyptic number.

33242331 is a deficient number, since it is larger than the sum of its proper divisors (11642149).

33242331 is a wasteful number, since it uses less digits than its factorization.

33242331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140345.

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

The square root of 33242331 is about 5765.6162723511. The cubic root of 33242331 is about 321.5366553200.

Adding to 33242331 its reverse (13324233), we get a palindrome (46566564).

The spelling of 33242331 in words is "thirty-three million, two hundred forty-two thousand, three hundred thirty-one".

Divisors: 1 3 79 237 140263 420789 11080777 33242331