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22040960 = 27534439
BaseRepresentation
bin101010000010…
…1000110000000
31112110210111212
41110011012000
521120302320
62104225252
7355226234
oct124050600
945423455
1022040960
1111494777
12746b228
1347493b6
142cda5c4
151e059c5
hex1505180

22040960 has 32 divisors (see below), whose sum is σ = 52693200. Its totient is φ = 8816128.

The previous prime is 22040929. The next prime is 22040981. The reversal of 22040960 is 6904022.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16580 + ... + 17859.

Almost surely, 222040960 is an apocalyptic number.

22040960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22040960 is an abundant number, since it is smaller than the sum of its proper divisors (30652240).

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

22040960 is an equidigital number, since it uses as much as digits as its factorization.

22040960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34458 (or 34446 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 22040960 is about 4694.7800800463. The cubic root of 22040960 is about 280.3777215150.

Adding to 22040960 its reverse (6904022), we get a palindrome (28944982).

The spelling of 22040960 in words is "twenty-two million, forty thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 34439 68878 137756 172195 275512 344390 551024 688780 1102048 1377560 2204096 2755120 4408192 5510240 11020480 22040960