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542425 = 52131669
BaseRepresentation
bin10000100011011011001
31000120001211
42010123121
5114324200
615343121
74416262
oct2043331
91016054
10542425
11340594
12221aa1
1315cb80
14101969
15aaaba
hex846d9

542425 has 12 divisors (see below), whose sum is σ = 724780. Its totient is φ = 400320.

The previous prime is 542401. The next prime is 542441. The reversal of 542425 is 524245.

It can be written as a sum of positive squares in 6 ways, for example, as 53824 + 488601 = 232^2 + 699^2 .

It is not a de Polignac number, because 542425 - 211 = 540377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 542396 and 542405.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 510 + ... + 1159.

2542425 is an apocalyptic number.

It is an amenable number.

542425 is a deficient number, since it is larger than the sum of its proper divisors (182355).

542425 is a wasteful number, since it uses less digits than its factorization.

542425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692 (or 1687 counting only the distinct ones).

The product of its digits is 1600, while the sum is 22.

The square root of 542425 is about 736.4950780555. The cubic root of 542425 is about 81.5542439395.

The spelling of 542425 in words is "five hundred forty-two thousand, four hundred twenty-five".

Divisors: 1 5 13 25 65 325 1669 8345 21697 41725 108485 542425