Base | Representation |
---|---|
bin | 1100111100110… |
… | …0000011111111 |
3 | 10210012101201120 |
4 | 3033030003333 |
5 | 102401010330 |
6 | 5220042023 |
7 | 1226440365 |
oct | 317140377 |
9 | 123171646 |
10 | 54313215 |
11 | 28727360 |
12 | 16233313 |
13 | b3386c8 |
14 | 72db635 |
15 | 4b7cc10 |
hex | 33cc0ff |
54313215 has 64 divisors (see below), whose sum is σ = 102228480. Its totient is φ = 24414720.
The previous prime is 54313187. The next prime is 54313219. The reversal of 54313215 is 51231345.
It is not a de Polignac number, because 54313215 - 27 = 54313087 is a prime.
It is a zygodrome in base 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54313219) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 810612 + ... + 810678.
It is an arithmetic number, because the mean of its divisors is an integer number (1597320).
Almost surely, 254313215 is an apocalyptic number.
54313215 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
54313215 is a deficient number, since it is larger than the sum of its proper divisors (47915265).
54313215 is a wasteful number, since it uses less digits than its factorization.
54313215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 137 (or 103 counting only the distinct ones).
The product of its digits is 1800, while the sum is 24.
The square root of 54313215 is about 7369.7499957597. The cubic root of 54313215 is about 378.7056957839.
It can be divided in two parts, 5431 and 3215, that added together give a triangular number (8646 = T131).
The spelling of 54313215 in words is "fifty-four million, three hundred thirteen thousand, two hundred fifteen".
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