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22601013 = 319396509
BaseRepresentation
bin101011000110…
…1110100110101
31120112020202120
41112031310311
521241213023
62124230153
7363051111
oct126156465
946466676
1022601013
1111837526
12769b359
1348b42a6
143004741
151eb68e3
hex158dd35

22601013 has 8 divisors (see below), whose sum is σ = 31720800. Its totient is φ = 14274288.

The previous prime is 22601003. The next prime is 22601021. The reversal of 22601013 is 31010622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22601013 - 24 = 22600997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22600983 and 22601001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22601003) 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, 198198 + ... + 198311.

It is an arithmetic number, because the mean of its divisors is an integer number (3965100).

Almost surely, 222601013 is an apocalyptic number.

It is an amenable number.

22601013 is a deficient number, since it is larger than the sum of its proper divisors (9119787).

22601013 is a wasteful number, since it uses less digits than its factorization.

22601013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396531.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 22601013 is about 4754.0522714838. The cubic root of 22601013 is about 282.7326529957.

Adding to 22601013 its reverse (31010622), we get a palindrome (53611635).

The spelling of 22601013 in words is "twenty-two million, six hundred one thousand, thirteen".

Divisors: 1 3 19 57 396509 1189527 7533671 22601013