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54028 = 22131039
BaseRepresentation
bin1101001100001100
32202010001
431030030
53212103
61054044
7313342
oct151414
982101
1054028
1137657
1227324
131b790
1415992
151101d
hexd30c

54028 has 12 divisors (see below), whose sum is σ = 101920. Its totient is φ = 24912.

The previous prime is 54013. The next prime is 54037. The reversal of 54028 is 82045.

It is a happy number.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 53996 and 54014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 468 + ... + 571.

254028 is an apocalyptic number.

It is an amenable number.

54028 is a deficient number, since it is larger than the sum of its proper divisors (47892).

54028 is a wasteful number, since it uses less digits than its factorization.

54028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056 (or 1054 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 54028 is about 232.4392393724. The cubic root of 54028 is about 37.8041632920.

The spelling of 54028 in words is "fifty-four thousand, twenty-eight".

Divisors: 1 2 4 13 26 52 1039 2078 4156 13507 27014 54028