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22089949 = 731101797
BaseRepresentation
bin101010001000…
…1000011011101
31112120021201021
41110101003131
521123334244
62105244141
7355522120
oct124210335
945507637
1022089949
1111518562
127493651
13476579b
142d103b7
151e15284
hex15110dd

22089949 has 8 divisors (see below), whose sum is σ = 26060288. Its totient is φ = 18323280.

The previous prime is 22089937. The next prime is 22089971. The reversal of 22089949 is 94998022.

It is a happy number.

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 22089949 - 29 = 22089437 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 (22089979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50682 + ... + 51115.

It is an arithmetic number, because the mean of its divisors is an integer number (3257536).

Almost surely, 222089949 is an apocalyptic number.

It is an amenable number.

22089949 is a deficient number, since it is larger than the sum of its proper divisors (3970339).

22089949 is a wasteful number, since it uses less digits than its factorization.

22089949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101835.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 22089949 is about 4699.9945744650. The cubic root of 22089949 is about 280.5852935456.

The spelling of 22089949 in words is "twenty-two million, eighty-nine thousand, nine hundred forty-nine".

Divisors: 1 7 31 217 101797 712579 3155707 22089949