Search a number
-
+
2312620 = 225115631
BaseRepresentation
bin1000110100100110101100
311100111022121
420310212230
51043000440
6121322324
725441222
oct10644654
94314277
102312620
11133a562
129363a4
1362c81b
14442b12
1530a34a
hex2349ac

2312620 has 12 divisors (see below), whose sum is σ = 4856544. Its totient is φ = 925040.

The previous prime is 2312617. The next prime is 2312621. The reversal of 2312620 is 262132.

It is a super-2 number, since 2×23126202 = 10696422528800, which contains 22 as substring.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 2312594 and 2312603.

It is not an unprimeable number, because it can be changed into a prime (2312621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57796 + ... + 57835.

It is an arithmetic number, because the mean of its divisors is an integer number (404712).

22312620 is an apocalyptic number.

2312620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2312620 is an abundant number, since it is smaller than the sum of its proper divisors (2543924).

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

2312620 is a wasteful number, since it uses less digits than its factorization.

2312620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115640 (or 115638 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2312620 is about 1520.7300878197. The cubic root of 2312620 is about 132.2415991605.

Adding to 2312620 its reverse (262132), we get a palindrome (2574752).

The spelling of 2312620 in words is "two million, three hundred twelve thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 115631 231262 462524 578155 1156310 2312620