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22666053 = 331251971
BaseRepresentation
bin101011001110…
…1101101000101
31120122112222110
41112131231011
521300303203
62125451233
7363441534
oct126355505
946575873
1022666053
1111881383
127710b19
134907a87
14302031b
151ecad03
hex159db45

22666053 has 16 divisors (see below), whose sum is σ = 31352832. Its totient is φ = 14550000.

The previous prime is 22666051. The next prime is 22666057. The reversal of 22666053 is 35066622.

It is not a de Polignac number, because 22666053 - 21 = 22666051 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22666053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22666051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22858 + ... + 23828.

It is an arithmetic number, because the mean of its divisors is an integer number (1959552).

Almost surely, 222666053 is an apocalyptic number.

It is an amenable number.

22666053 is a deficient number, since it is larger than the sum of its proper divisors (8686779).

22666053 is a wasteful number, since it uses less digits than its factorization.

22666053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 22666053 is about 4760.8878373682. The cubic root of 22666053 is about 283.0036042776.

The spelling of 22666053 in words is "twenty-two million, six hundred sixty-six thousand, fifty-three".

Divisors: 1 3 31 93 251 753 971 2913 7781 23343 30101 90303 243721 731163 7555351 22666053