Search a number
-
+
547518042 = 2343379741
BaseRepresentation
bin100000101000100…
…111011001011010
31102011020210120000
4200220213121122
52110131034132
6130155113430
716365553341
oct4050473132
91364223500
10547518042
11261072455
12133442876
1389581896
1452a04b58
153310287c
hex20a2765a

547518042 has 20 divisors (see below), whose sum is σ = 1226846346. Its totient is φ = 182505960.

The previous prime is 547517987. The next prime is 547518043. The reversal of 547518042 is 240815745.

547518042 is a `hidden beast` number, since 5 + 475 + 180 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 538750521 + 8767521 = 23211^2 + 2961^2 .

It is a junction number, because it is equal to n+sod(n) for n = 547517988 and 547518006.

It is not an unprimeable number, because it can be changed into a prime (547518043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1689709 + ... + 1690032.

Almost surely, 2547518042 is an apocalyptic number.

547518042 is an abundant number, since it is smaller than the sum of its proper divisors (679328304).

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

547518042 is a wasteful number, since it uses less digits than its factorization.

547518042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3379755 (or 3379746 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 547518042 is about 23399.1034443630. The cubic root of 547518042 is about 818.0869751275.

The spelling of 547518042 in words is "five hundred forty-seven million, five hundred eighteen thousand, forty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 3379741 6759482 10139223 20278446 30417669 60835338 91253007 182506014 273759021 547518042