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22403053 = 34616473
BaseRepresentation
bin101010101110…
…1011111101101
31120011012012201
41111131133231
521213344203
62120101501
7361265011
oct125353755
946135181
1022403053
1111711822
127604891
13484515a
142d92541
151e77e1d
hex155d7ed

22403053 has 4 divisors (see below), whose sum is σ = 22412988. Its totient is φ = 22393120.

The previous prime is 22403039. The next prime is 22403063. The reversal of 22403053 is 35030422.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4272489 + 18130564 = 2067^2 + 4258^2 .

It is a cyclic number.

It is not a de Polignac number, because 22403053 - 25 = 22403021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22403053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22403063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225 + ... + 6697.

It is an arithmetic number, because the mean of its divisors is an integer number (5603247).

Almost surely, 222403053 is an apocalyptic number.

It is an amenable number.

22403053 is a deficient number, since it is larger than the sum of its proper divisors (9935).

22403053 is an equidigital number, since it uses as much as digits as its factorization.

22403053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9934.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 22403053 is about 4733.1863474831. The cubic root of 22403053 is about 281.9047554883.

Adding to 22403053 its reverse (35030422), we get a palindrome (57433475).

The spelling of 22403053 in words is "twenty-two million, four hundred three thousand, fifty-three".

Divisors: 1 3461 6473 22403053