Base | Representation |
---|---|
bin | 10010100000100… |
… | …11110101010100 |
3 | 101211011120001200 |
4 | 21100103311110 |
5 | 304222123414 |
6 | 23223552500 |
7 | 3563530425 |
oct | 1120236524 |
9 | 354146050 |
10 | 155270484 |
11 | 7a712016 |
12 | 43bbb730 |
13 | 26225b35 |
14 | 1689b64c |
15 | d971109 |
hex | 9413d54 |
155270484 has 36 divisors (see below), whose sum is σ = 393911700. Its totient is φ = 51569280.
The previous prime is 155270429. The next prime is 155270491. The reversal of 155270484 is 484072551.
155270484 is a `hidden beast` number, since 155 + 27 + 0 + 484 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 78322500 + 76947984 = 8850^2 + 8772^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
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, 2442 + ... + 17790.
Almost surely, 2155270484 is an apocalyptic number.
It is an amenable number.
155270484 is an abundant number, since it is smaller than the sum of its proper divisors (238641216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
155270484 is a wasteful number, since it uses less digits than its factorization.
155270484 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15640 (or 15635 counting only the distinct ones).
The product of its (nonzero) digits is 44800, while the sum is 36.
The square root of 155270484 is about 12460.7577618699. The cubic root of 155270484 is about 537.4808173432.
The spelling of 155270484 in words is "one hundred fifty-five million, two hundred seventy thousand, four hundred eighty-four".
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