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22049101 = 191160479
BaseRepresentation
bin101010000011…
…1000101001101
31112111012200101
41110013011031
521121032401
62104331101
7355262044
oct124070515
945435611
1022049101
111149a8a8
127473a91
134750009
142cdd55b
151e08101
hex150714d

22049101 has 4 divisors (see below), whose sum is σ = 23209600. Its totient is φ = 20888604.

The previous prime is 22049099. The next prime is 22049117. The reversal of 22049101 is 10194022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22049101 - 21 = 22049099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 1160479 = 22049101 / (2 + 2 + 0 + 4 + 9 + 1 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22049141) 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 3 ways as a sum of consecutive naturals, for example, 580221 + ... + 580258.

It is an arithmetic number, because the mean of its divisors is an integer number (5802400).

Almost surely, 222049101 is an apocalyptic number.

It is an amenable number.

22049101 is a deficient number, since it is larger than the sum of its proper divisors (1160499).

22049101 is a wasteful number, since it uses less digits than its factorization.

22049101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160498.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 22049101 is about 4695.6470267685. The cubic root of 22049101 is about 280.4122371632.

The spelling of 22049101 in words is "twenty-two million, forty-nine thousand, one hundred one".

Divisors: 1 19 1160479 22049101