Search a number
-
+
2123382 = 23353897
BaseRepresentation
bin1000000110011001110110
310222212201210
420012121312
51020422012
6113302250
724022422
oct10063166
93885653
102123382
111220368
12864986
13594651
143d3b82
152be23c
hex206676

2123382 has 8 divisors (see below), whose sum is σ = 4246776. Its totient is φ = 707792.

The previous prime is 2123377. The next prime is 2123411. The reversal of 2123382 is 2833212.

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

2123382 is an admirable number.

It is a super-2 number, since 2×21233822 = 9017502235848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176943 + ... + 176954.

It is an arithmetic number, because the mean of its divisors is an integer number (530847).

22123382 is an apocalyptic number.

2123382 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2123382 is a wasteful number, since it uses less digits than its factorization.

2123382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353902.

The product of its digits is 576, while the sum is 21.

The square root of 2123382 is about 1457.1828986095. The cubic root of 2123382 is about 128.5314411802.

Adding to 2123382 its reverse (2833212), we get a palindrome (4956594).

The spelling of 2123382 in words is "two million, one hundred twenty-three thousand, three hundred eighty-two".

Divisors: 1 2 3 6 353897 707794 1061691 2123382