Base | Representation |
---|---|
bin | 1100101011111… |
… | …1111111011110 |
3 | 10201010121112021 |
4 | 3022333333132 |
5 | 102110341243 |
6 | 5140330354 |
7 | 1214215231 |
oct | 312777736 |
9 | 121117467 |
10 | 53215198 |
11 | 28047403 |
12 | 159a39ba |
13 | b0429aa |
14 | 70d3418 |
15 | 4a126ed |
hex | 32bffde |
53215198 has 4 divisors (see below), whose sum is σ = 79822800. Its totient is φ = 26607598.
The previous prime is 53215163. The next prime is 53215199. The reversal of 53215198 is 89151235.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53215199) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13303798 + ... + 13303801.
It is an arithmetic number, because the mean of its divisors is an integer number (19955700).
Almost surely, 253215198 is an apocalyptic number.
53215198 is a deficient number, since it is larger than the sum of its proper divisors (26607602).
53215198 is a wasteful number, since it uses less digits than its factorization.
53215198 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26607601.
The product of its digits is 10800, while the sum is 34.
The square root of 53215198 is about 7294.8747761699. The cubic root of 53215198 is about 376.1362820831.
The spelling of 53215198 in words is "fifty-three million, two hundred fifteen thousand, one hundred ninety-eight".
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