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22341040 = 245972879
BaseRepresentation
bin101010100111…
…0010110110000
31120001001010221
41111032112300
521204403130
62114502424
7360616141
oct125162660
946031127
1022341040
111167a177
127594a14
134822b67
142d77ac8
151e6487a
hex154e5b0

22341040 has 40 divisors (see below), whose sum is σ = 52496640. Its totient is φ = 8841216.

The previous prime is 22341029. The next prime is 22341041. The reversal of 22341040 is 4014322.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (22341041) 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, 6321 + ... + 9199.

It is an arithmetic number, because the mean of its divisors is an integer number (1312416).

Almost surely, 222341040 is an apocalyptic number.

22341040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22341040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26248320).

22341040 is an abundant number, since it is smaller than the sum of its proper divisors (30155600).

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

22341040 is a wasteful number, since it uses less digits than its factorization.

22341040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2989 (or 2983 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 22341040 is about 4726.6309354550. The cubic root of 22341040 is about 281.6444053381.

Adding to 22341040 its reverse (4014322), we get a palindrome (26355362).

The spelling of 22341040 in words is "twenty-two million, three hundred forty-one thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 97 194 388 485 776 970 1552 1940 2879 3880 5758 7760 11516 14395 23032 28790 46064 57580 115160 230320 279263 558526 1117052 1396315 2234104 2792630 4468208 5585260 11170520 22341040