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22690343 = 134142571
BaseRepresentation
bin101011010001…
…1101000100111
31120200210022002
41112203220213
521302042333
62130155515
7363602414
oct126435047
946623262
1022690343
1111898655
127722b9b
134915b50
14302910b
151ed30e8
hex15a3a27

22690343 has 8 divisors (see below), whose sum is σ = 25032336. Its totient is φ = 20433600.

The previous prime is 22690321. The next prime is 22690387. The reversal of 22690343 is 34309622.

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

It is a cyclic number.

It is not a de Polignac number, because 22690343 - 210 = 22689319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22690303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20753 + ... + 21818.

It is an arithmetic number, because the mean of its divisors is an integer number (3129042).

Almost surely, 222690343 is an apocalyptic number.

22690343 is a deficient number, since it is larger than the sum of its proper divisors (2341993).

22690343 is a wasteful number, since it uses less digits than its factorization.

22690343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42625.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 22690343 is about 4763.4381490684. The cubic root of 22690343 is about 283.1046614761.

Adding to 22690343 its reverse (34309622), we get a palindrome (56999965).

The spelling of 22690343 in words is "twenty-two million, six hundred ninety thousand, three hundred forty-three".

Divisors: 1 13 41 533 42571 553423 1745411 22690343