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54028133 = 311742843
BaseRepresentation
bin1100111000011…
…0011101100101
310202122220122222
43032012131211
5102312400013
65210002125
71224142265
oct316063545
9122586588
1054028133
1128552155
1216116345
13b268a13
1472657a5
154b23508
hex3386765

54028133 has 4 divisors (see below), whose sum is σ = 55771008. Its totient is φ = 52285260.

The previous prime is 54028123. The next prime is 54028141. The reversal of 54028133 is 33182045.

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 54028133 - 28 = 54027877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54028123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 871391 + ... + 871452.

It is an arithmetic number, because the mean of its divisors is an integer number (13942752).

Almost surely, 254028133 is an apocalyptic number.

It is an amenable number.

54028133 is a deficient number, since it is larger than the sum of its proper divisors (1742875).

54028133 is a wasteful number, since it uses less digits than its factorization.

54028133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742874.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 54028133 is about 7350.3831872903. The cubic root of 54028133 is about 378.0419431263.

The spelling of 54028133 in words is "fifty-four million, twenty-eight thousand, one hundred thirty-three".

Divisors: 1 31 1742843 54028133