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23022732 = 2233751853
BaseRepresentation
bin101011111010…
…0110010001100
31121022200020210
41113310302030
521343211412
62141242420
7366455445
oct127646214
947280223
1023022732
1111aa5357
127863410
134a01225
1430b42cc
15204b83c
hex15f4c8c

23022732 has 24 divisors (see below), whose sum is σ = 55172656. Its totient is φ = 7466688.

The previous prime is 23022731. The next prime is 23022749. The reversal of 23022732 is 23722032.

It is a junction number, because it is equal to n+sod(n) for n = 23022699 and 23022708.

It is not an unprimeable number, because it can be changed into a prime (23022731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25483 + ... + 26370.

Almost surely, 223022732 is an apocalyptic number.

It is an amenable number.

23022732 is an abundant number, since it is smaller than the sum of its proper divisors (32149924).

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

23022732 is a wasteful number, since it uses less digits than its factorization.

23022732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51897 (or 51895 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 23022732 is about 4798.2009128422. The cubic root of 23022732 is about 284.4803581272.

Adding to 23022732 its reverse (23722032), we get a palindrome (46744764).

The spelling of 23022732 in words is "twenty-three million, twenty-two thousand, seven hundred thirty-two".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 51853 103706 155559 207412 311118 622236 1918561 3837122 5755683 7674244 11511366 23022732