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22039941 = 3711731307
BaseRepresentation
bin101010000010…
…0110110000101
31112110202010010
41110010312011
521120234231
62104220433
7355223250
oct124046605
945422103
1022039941
1111493a30
12746a719
134748ab1
142cda097
151e05546
hex1504d85

22039941 has 32 divisors (see below), whose sum is σ = 37168128. Its totient is φ = 11283840.

The previous prime is 22039937. The next prime is 22039991. The reversal of 22039941 is 14993022.

It is not a de Polignac number, because 22039941 - 22 = 22039937 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22039899 and 22039908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22039991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16210 + ... + 17516.

It is an arithmetic number, because the mean of its divisors is an integer number (1161504).

Almost surely, 222039941 is an apocalyptic number.

22039941 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22039941 is a deficient number, since it is larger than the sum of its proper divisors (15128187).

22039941 is a wasteful number, since it uses less digits than its factorization.

22039941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 22039941 is about 4694.6715540067. The cubic root of 22039941 is about 280.3734006309.

The spelling of 22039941 in words is "twenty-two million, thirty-nine thousand, nine hundred forty-one".

Divisors: 1 3 7 11 21 33 73 77 219 231 511 803 1307 1533 2409 3921 5621 9149 14377 16863 27447 43131 95411 100639 286233 301917 667877 1049521 2003631 3148563 7346647 22039941