Base | Representation |
---|---|
bin | 1100010001100… |
… | …1001000110010 |
3 | 10120212121122200 |
4 | 3010121020302 |
5 | 101134430221 |
6 | 5035244030 |
7 | 1163412516 |
oct | 304311062 |
9 | 116777580 |
10 | 51483186 |
11 | 27074097 |
12 | 152a9616 |
13 | a887531 |
14 | 6ba2146 |
15 | 47be426 |
hex | 3119232 |
51483186 has 12 divisors (see below), whose sum is σ = 111546942. Its totient is φ = 17161056.
The previous prime is 51483181. The next prime is 51483203. The reversal of 51483186 is 68138415.
It can be written as a sum of positive squares in only one way, i.e., 50851161 + 632025 = 7131^2 + 795^2 .
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a nialpdrome in base 13.
It is a self number, because there is not a number n which added to its sum of digits gives 51483186.
It is not an unprimeable number, because it can be changed into a prime (51483181) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1430071 + ... + 1430106.
Almost surely, 251483186 is an apocalyptic number.
51483186 is an abundant number, since it is smaller than the sum of its proper divisors (60063756).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51483186 is a wasteful number, since it uses less digits than its factorization.
51483186 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2860185 (or 2860182 counting only the distinct ones).
The product of its digits is 23040, while the sum is 36.
The square root of 51483186 is about 7175.1784646795. The cubic root of 51483186 is about 372.0104488914.
The spelling of 51483186 in words is "fifty-one million, four hundred eighty-three thousand, one hundred eighty-six".
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