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22676660 = 2259711689
BaseRepresentation
bin101011010000…
…0010010110100
31120200002112022
41112200102310
521301123120
62130012312
7363514466
oct126402264
946602468
1022676660
1111889346
127717098
13490c856
143024136
151ece025
hex15a04b4

22676660 has 24 divisors (see below), whose sum is σ = 48116040. Its totient is φ = 8976384.

The previous prime is 22676659. The next prime is 22676669. The reversal of 22676660 is 6667622.

It can be written as a sum of positive squares in 4 ways, for example, as 8145316 + 14531344 = 2854^2 + 3812^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22676660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22676669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3905 + ... + 7784.

It is an arithmetic number, because the mean of its divisors is an integer number (2004835).

Almost surely, 222676660 is an apocalyptic number.

22676660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22676660 is an abundant number, since it is smaller than the sum of its proper divisors (25439380).

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

22676660 is a wasteful number, since it uses less digits than its factorization.

22676660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11795 (or 11793 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 22676660 is about 4762.0016799661. The cubic root of 22676660 is about 283.0477429888.

The spelling of 22676660 in words is "twenty-two million, six hundred seventy-six thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 97 194 388 485 970 1940 11689 23378 46756 58445 116890 233780 1133833 2267666 4535332 5669165 11338330 22676660