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542148 = 22345179
BaseRepresentation
bin10000100010111000100
31000112200120
42010113010
5114322043
615341540
74415415
oct2042704
91015616
10542148
11340362
122218b0
1315c9c9
1410180c
15aa983
hex845c4

542148 has 12 divisors (see below), whose sum is σ = 1265040. Its totient is φ = 180712.

The previous prime is 542141. The next prime is 542149. The reversal of 542148 is 841245.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (542141) by changing a digit.

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, 22578 + ... + 22601.

It is an arithmetic number, because the mean of its divisors is an integer number (105420).

2542148 is an apocalyptic number.

It is an amenable number.

542148 is an abundant number, since it is smaller than the sum of its proper divisors (722892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

542148 is a wasteful number, since it uses less digits than its factorization.

542148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45186 (or 45184 counting only the distinct ones).

The product of its digits is 1280, while the sum is 24.

The square root of 542148 is about 736.3070011890. The cubic root of 542148 is about 81.5403591493.

The spelling of 542148 in words is "five hundred forty-two thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 45179 90358 135537 180716 271074 542148