Search a number
-
+
5478741842 = 27274772
BaseRepresentation
bin1010001101000111…
…01111011101010010
3112010211012220220112
411012203233131102
542210024214332
62303352241322
7252524352200
oct50643573522
915124186815
105478741842
112361674922
12108a9a0242
136940ac9a2
1439d8c2070
15220ec0db2
hex1468ef752

5478741842 has 18 divisors (see below), whose sum is σ = 9561124197. Its totient is φ = 2347718184.

The previous prime is 5478741823. The next prime is 5478741871. The reversal of 5478741842 is 2481478745.

It can be written as a sum of positive squares in 2 ways, for example, as 3849085681 + 1629656161 = 62041^2 + 40369^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=52339.

It is a super-2 number, since 2×54787418422 = 60033224342563105928, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 729008 + ... + 736484.

Almost surely, 25478741842 is an apocalyptic number.

5478741842 is a deficient number, since it is larger than the sum of its proper divisors (4082382355).

5478741842 is an frugal number, since it uses more digits than its factorization.

5478741842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14970 (or 7486 counting only the distinct ones).

The product of its digits is 2007040, while the sum is 50.

The square root of 5478741842 is about 74018.5236410454. The cubic root of 5478741842 is about 1762.8970282205.

Multiplying 5478741842 by its sum of digits (50), we get a square (273937092100 = 5233902).

The spelling of 5478741842 in words is "five billion, four hundred seventy-eight million, seven hundred forty-one thousand, eight hundred forty-two".

Divisors: 1 2 7 14 49 98 7477 14954 52339 104678 366373 732746 55905529 111811058 391338703 782677406 2739370921 5478741842