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542050 = 25237293
BaseRepresentation
bin10000100010101100010
31000112112221
42010111202
5114321200
615341254
74415215
oct2042542
91015487
10542050
11340283
1222182a
1315c952
1410177c
15aa91a
hex84562

542050 has 24 divisors (see below), whose sum is σ = 1038996. Its totient is φ = 210240.

The previous prime is 542027. The next prime is 542053. The reversal of 542050 is 50245.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 450241 + 91809 = 671^2 + 303^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (542053) by changing a digit.

542050 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 11 ways as a sum of consecutive naturals, for example, 1704 + ... + 1996.

2542050 is an apocalyptic number.

542050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

542050 is a deficient number, since it is larger than the sum of its proper divisors (496946).

542050 is a wasteful number, since it uses less digits than its factorization.

542050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 542050 is about 736.2404498532. The cubic root of 542050 is about 81.5354457082.

Adding to 542050 its reverse (50245), we get a palindrome (592295).

The spelling of 542050 in words is "five hundred forty-two thousand, fifty".

Divisors: 1 2 5 10 25 37 50 74 185 293 370 586 925 1465 1850 2930 7325 10841 14650 21682 54205 108410 271025 542050