Search a number
-
+
23332340 = 2251166617
BaseRepresentation
bin101100100000…
…0010111110100
31121220101221202
41121000113310
521433113330
62152032032
7402215213
oct131002764
947811852
1023332340
1112196a29
127992618
134aac125
14315507a
1520ad445
hex16405f4

23332340 has 12 divisors (see below), whose sum is σ = 48997956. Its totient is φ = 9332928.

The previous prime is 23332339. The next prime is 23332363. The reversal of 23332340 is 4323332.

It can be written as a sum of positive squares in 2 ways, for example, as 7107556 + 16224784 = 2666^2 + 4028^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1166617 = 23332340 / (2 + 3 + 3 + 3 + 2 + 3 + 4 + 0).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583289 + ... + 583328.

It is an arithmetic number, because the mean of its divisors is an integer number (4083163).

Almost surely, 223332340 is an apocalyptic number.

23332340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23332340 is an abundant number, since it is smaller than the sum of its proper divisors (25665616).

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

23332340 is a wasteful number, since it uses less digits than its factorization.

23332340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166626 (or 1166624 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

The square root of 23332340 is about 4830.3560945338. The cubic root of 23332340 is about 285.7499077014.

Adding to 23332340 its reverse (4323332), we get a palindrome (27655672).

The spelling of 23332340 in words is "twenty-three million, three hundred thirty-two thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 1166617 2333234 4666468 5833085 11666170 23332340