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22053813 = 3193710457
BaseRepresentation
bin101010000100…
…0001110110101
31112111110010220
41110020032311
521121210223
62104404553
7355311555
oct124101665
945443126
1022053813
11114a33a1
127476759
1347521c2
142d01165
151e096e3
hex15083b5

22053813 has 16 divisors (see below), whose sum is σ = 31792320. Its totient is φ = 13550976.

The previous prime is 22053799. The next prime is 22053827. The reversal of 22053813 is 31835022.

It is an interprime number because it is at equal distance from previous prime (22053799) and next prime (22053827).

It is not a de Polignac number, because 22053813 - 25 = 22053781 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22053313) 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 15 ways as a sum of consecutive naturals, for example, 3120 + ... + 7337.

It is an arithmetic number, because the mean of its divisors is an integer number (1987020).

Almost surely, 222053813 is an apocalyptic number.

It is an amenable number.

22053813 is a deficient number, since it is larger than the sum of its proper divisors (9738507).

22053813 is a wasteful number, since it uses less digits than its factorization.

22053813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10516.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 22053813 is about 4696.1487412560. The cubic root of 22053813 is about 280.4322108929.

Adding to 22053813 its reverse (31835022), we get a palindrome (53888835).

The spelling of 22053813 in words is "twenty-two million, fifty-three thousand, eight hundred thirteen".

Divisors: 1 3 19 37 57 111 703 2109 10457 31371 198683 386909 596049 1160727 7351271 22053813