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23450053 = 112131823
BaseRepresentation
bin101100101110…
…1000111000101
31122010101102111
41121131013011
522000400203
62154341021
7403215334
oct131350705
948111374
1023450053
1112267410
127a2a771
134b20893
143185d1b
1520d326d
hex165d1c5

23450053 has 4 divisors (see below), whose sum is σ = 25581888. Its totient is φ = 21318220.

The previous prime is 23450029. The next prime is 23450057. The reversal of 23450053 is 35005432.

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 de Polignac number, because none of the positive numbers 2k-23450053 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23450057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1065901 + ... + 1065922.

It is an arithmetic number, because the mean of its divisors is an integer number (6395472).

Almost surely, 223450053 is an apocalyptic number.

It is an amenable number.

23450053 is a deficient number, since it is larger than the sum of its proper divisors (2131835).

23450053 is a wasteful number, since it uses less digits than its factorization.

23450053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131834.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 23450053 is about 4842.5254774756. The cubic root of 23450053 is about 286.2296434231.

Adding to 23450053 its reverse (35005432), we get a palindrome (58455485).

The spelling of 23450053 in words is "twenty-three million, four hundred fifty thousand, fifty-three".

Divisors: 1 11 2131823 23450053