Search a number
-
+
2124724 = 22775883
BaseRepresentation
bin1000000110101110110100
310222221120111
420012232310
51020442344
6113312404
724026350
oct10065664
93887514
102124724
111221378
12865704
13595144
143d4460
152be834
hex206bb4

2124724 has 12 divisors (see below), whose sum is σ = 4249504. Its totient is φ = 910584.

The previous prime is 2124679. The next prime is 2124757. The reversal of 2124724 is 4274212.

It is a happy number.

2124724 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2124695 and 2124704.

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, 37914 + ... + 37969.

22124724 is an apocalyptic number.

It is an amenable number.

2124724 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.

2124724 is a wasteful number, since it uses less digits than its factorization.

2124724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75894 (or 75892 counting only the distinct ones).

The product of its digits is 896, while the sum is 22.

The square root of 2124724 is about 1457.6433034182. The cubic root of 2124724 is about 128.5585132235.

Adding to 2124724 its reverse (4274212), we get a palindrome (6398936).

The spelling of 2124724 in words is "two million, one hundred twenty-four thousand, seven hundred twenty-four".

Divisors: 1 2 4 7 14 28 75883 151766 303532 531181 1062362 2124724