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42055453 = 113823223
BaseRepresentation
bin1010000001101…
…1011100011101
32221010122020101
42200123130131
541231233303
64101221101
71020315436
oct240333435
987118211
1042055453
1121814980
1212101791
1389362ab
14582a48d
153a5ad1d
hex281b71d

42055453 has 4 divisors (see below), whose sum is σ = 45878688. Its totient is φ = 38232220.

The previous prime is 42055451. The next prime is 42055471. The reversal of 42055453 is 35455024.

42055453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42055453 - 21 = 42055451 is a prime.

It is a super-2 number, since 2×420554532 = 3537322254070418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42055451) 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, 1911601 + ... + 1911622.

It is an arithmetic number, because the mean of its divisors is an integer number (11469672).

Almost surely, 242055453 is an apocalyptic number.

It is an amenable number.

42055453 is a deficient number, since it is larger than the sum of its proper divisors (3823235).

42055453 is a wasteful number, since it uses less digits than its factorization.

42055453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3823234.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 42055453 is about 6485.0175790047. The cubic root of 42055453 is about 347.7555782467.

The spelling of 42055453 in words is "forty-two million, fifty-five thousand, four hundred fifty-three".

Divisors: 1 11 3823223 42055453