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54286331 = 114935121
BaseRepresentation
bin1100111100010…
…1011111111011
310210011000211212
43033011133323
5102344130311
65215313335
71226266121
oct317053773
9123130755
1054286331
1128709140
121621b84b
13b3293b8
1472d1911
154b74c8b
hex33c57fb

54286331 has 4 divisors (see below), whose sum is σ = 59221464. Its totient is φ = 49351200.

The previous prime is 54286307. The next prime is 54286357. The reversal of 54286331 is 13368245.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54286331 is a prime.

It is a super-2 number, since 2×542863312 = 5894011466883122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54286391) 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, 2467550 + ... + 2467571.

It is an arithmetic number, because the mean of its divisors is an integer number (14805366).

Almost surely, 254286331 is an apocalyptic number.

54286331 is a deficient number, since it is larger than the sum of its proper divisors (4935133).

54286331 is a wasteful number, since it uses less digits than its factorization.

54286331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4935132.

The product of its digits is 17280, while the sum is 32.

The square root of 54286331 is about 7367.9258275311. The cubic root of 54286331 is about 378.6432014522.

The spelling of 54286331 in words is "fifty-four million, two hundred eighty-six thousand, three hundred thirty-one".

Divisors: 1 11 4935121 54286331