Base | Representation |
---|---|
bin | 1101001110100… |
… | …0101101011100 |
3 | 10212101122001200 |
4 | 3103220231130 |
5 | 103200313012 |
6 | 5301035500 |
7 | 1242364512 |
oct | 323505534 |
9 | 125348050 |
10 | 55479132 |
11 | 29353325 |
12 | 166b5b90 |
13 | b6562b7 |
14 | 75224b2 |
15 | 4d0d3dc |
hex | 34e8b5c |
55479132 has 36 divisors (see below), whose sum is σ = 144032616. Its totient is φ = 17992800.
The previous prime is 55479103. The next prime is 55479139. The reversal of 55479132 is 23197455.
55479132 is a `hidden beast` number, since 55 + 479 + 132 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-3 number, since 3×554791323 (a number of 24 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55479139) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19494 + ... + 22157.
It is an arithmetic number, because the mean of its divisors is an integer number (4000906).
Almost surely, 255479132 is an apocalyptic number.
It is an amenable number.
55479132 is an abundant number, since it is smaller than the sum of its proper divisors (88553484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55479132 is a wasteful number, since it uses less digits than its factorization.
55479132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41698 (or 41693 counting only the distinct ones).
The product of its digits is 37800, while the sum is 36.
The square root of 55479132 is about 7448.4315127415. The cubic root of 55479132 is about 381.3963676288.
It can be divided in two parts, 55479 and 132, that added together give a triangular number (55611 = T333).
The spelling of 55479132 in words is "fifty-five million, four hundred seventy-nine thousand, one hundred thirty-two".
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