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22191053 = 431134567
BaseRepresentation
bin101010010100…
…1101111001101
31112202102101212
41110221233031
521140103203
62111344205
7356422643
oct124515715
945672355
1022191053
1111587515
127522065
13479c801
142d39193
151e351d8
hex1529bcd

22191053 has 8 divisors (see below), whose sum is σ = 22913088. Its totient is φ = 21478464.

The previous prime is 22191019. The next prime is 22191073. The reversal of 22191053 is 35019122.

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 22191053 - 26 = 22190989 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 (22191073) 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, 2576 + ... + 7142.

It is an arithmetic number, because the mean of its divisors is an integer number (2864136).

Almost surely, 222191053 is an apocalyptic number.

It is an amenable number.

22191053 is a deficient number, since it is larger than the sum of its proper divisors (722035).

22191053 is a wasteful number, since it uses less digits than its factorization.

22191053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4723.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 22191053 is about 4710.7380525773. The cubic root of 22191053 is about 281.0127145625.

The spelling of 22191053 in words is "twenty-two million, one hundred ninety-one thousand, fifty-three".

Divisors: 1 43 113 4567 4859 196381 516071 22191053