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22027949 = 311973607
BaseRepresentation
bin101010000000…
…1111010101101
31112110010122222
41110001322231
521114343244
62104045125
7355143266
oct124017255
945403588
1022027949
1111485a19
1274637a5
1347434b8
142cd596d
151e01bee
hex1501ead

22027949 has 8 divisors (see below), whose sum is σ = 22860288. Its totient is φ = 21203280.

The previous prime is 22027939. The next prime is 22027981. The reversal of 22027949 is 94972022.

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 22027949 - 212 = 22023853 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22027939) 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, 4304 + ... + 7910.

It is an arithmetic number, because the mean of its divisors is an integer number (2857536).

Almost surely, 222027949 is an apocalyptic number.

It is an amenable number.

22027949 is a deficient number, since it is larger than the sum of its proper divisors (832339).

22027949 is a wasteful number, since it uses less digits than its factorization.

22027949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3835.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 22027949 is about 4693.3941875790. The cubic root of 22027949 is about 280.3225407276.

The spelling of 22027949 in words is "twenty-two million, twenty-seven thousand, nine hundred forty-nine".

Divisors: 1 31 197 3607 6107 111817 710579 22027949