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22976028 = 2233229929
BaseRepresentation
bin101011110100…
…1011000011100
31121020022012000
41113221120130
521340213103
62140242300
7366202335
oct127513034
947208160
1022976028
1111a73259
127840390
1349b5baa
1430a128c
15203caa3
hex15e961c

22976028 has 48 divisors (see below), whose sum is σ = 59892000. Its totient is φ = 7617024.

The previous prime is 22976021. The next prime is 22976047. The reversal of 22976028 is 82067922.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 22975983 and 22976001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22976021) 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 15 ways as a sum of consecutive naturals, for example, 24268 + ... + 25196.

It is an arithmetic number, because the mean of its divisors is an integer number (1247750).

Almost surely, 222976028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22976028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29946000).

22976028 is an abundant number, since it is smaller than the sum of its proper divisors (36915972).

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

22976028 is a wasteful number, since it uses less digits than its factorization.

22976028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171 (or 1163 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 22976028 is about 4793.3316179876. The cubic root of 22976028 is about 284.2878619305.

The spelling of 22976028 in words is "twenty-two million, nine hundred seventy-six thousand, twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 229 458 687 916 929 1374 1858 2061 2748 2787 3716 4122 5574 6183 8244 8361 11148 12366 16722 24732 25083 33444 50166 100332 212741 425482 638223 850964 1276446 1914669 2552892 3829338 5744007 7658676 11488014 22976028