Base | Representation |
---|---|
bin | 1101011000000… |
… | …1110111111010 |
3 | 10220120111122011 |
4 | 3112001313322 |
5 | 103330401430 |
6 | 5322320134 |
7 | 1250616526 |
oct | 326016772 |
9 | 126514564 |
10 | 56106490 |
11 | 29741700 |
12 | 1695904a |
13 | b815a0b |
14 | 7646d86 |
15 | 4dd422a |
hex | 3581dfa |
56106490 has 48 divisors (see below), whose sum is σ = 112470120. Its totient is φ = 20134400.
The previous prime is 56106481. The next prime is 56106493. The reversal of 56106490 is 9460165.
It can be written as a sum of positive squares in 4 ways, for example, as 30614089 + 25492401 = 5533^2 + 5049^2 .
It is not an unprimeable number, because it can be changed into a prime (56106493) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107430 + ... + 107950.
Almost surely, 256106490 is an apocalyptic number.
56106490 is an abundant number, since it is smaller than the sum of its proper divisors (56363630).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56106490 is a wasteful number, since it uses less digits than its factorization.
56106490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 639 (or 628 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 31.
The square root of 56106490 is about 7490.4265566121. The cubic root of 56106490 is about 382.8285925708.
It can be divided in two parts, 5610 and 6490, that added together give a square (12100 = 1102).
The spelling of 56106490 in words is "fifty-six million, one hundred six thousand, four hundred ninety".
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