Search a number
-
+
2122328 = 231320407
BaseRepresentation
bin1000000110001001011000
310222211021202
420012021120
51020403303
6113253332
724016355
oct10061130
93884252
102122328
11121a59a
12864248
13594020
143d362c
152bdc88
hex206258

2122328 has 16 divisors (see below), whose sum is σ = 4285680. Its totient is φ = 979488.

The previous prime is 2122327. The next prime is 2122333. The reversal of 2122328 is 8232212.

It is a super-2 number, since 2×21223282 = 9008552279168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10100 + ... + 10307.

It is an arithmetic number, because the mean of its divisors is an integer number (267855).

22122328 is an apocalyptic number.

It is an amenable number.

2122328 is an abundant number, since it is smaller than the sum of its proper divisors (2163352).

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

2122328 is a wasteful number, since it uses less digits than its factorization.

2122328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20426 (or 20422 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 2122328 is about 1456.8211969902. The cubic root of 2122328 is about 128.5101709361.

The spelling of 2122328 in words is "two million, one hundred twenty-two thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 13 26 52 104 20407 40814 81628 163256 265291 530582 1061164 2122328