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22038071 = 112387107
BaseRepresentation
bin101010000010…
…0011000110111
31112110122112212
41110010120313
521120204241
62104204035
7355214636
oct124043067
945418485
1022038071
1111492590
12746961b
134747ca3
142cd951d
151e04beb
hex1504637

22038071 has 8 divisors (see below), whose sum is σ = 25087104. Its totient is φ = 19163320.

The previous prime is 22038067. The next prime is 22038073. The reversal of 22038071 is 17083022.

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

It is not a de Polignac number, because 22038071 - 22 = 22038067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22038073) 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, 43301 + ... + 43806.

It is an arithmetic number, because the mean of its divisors is an integer number (3135888).

Almost surely, 222038071 is an apocalyptic number.

22038071 is a deficient number, since it is larger than the sum of its proper divisors (3049033).

22038071 is a wasteful number, since it uses less digits than its factorization.

22038071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87141.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 22038071 is about 4694.4723878195. The cubic root of 22038071 is about 280.3654708897.

The spelling of 22038071 in words is "twenty-two million, thirty-eight thousand, seventy-one".

Divisors: 1 11 23 253 87107 958177 2003461 22038071