Base | Representation |
---|---|
bin | 11010000111110… |
… | …11110101110100 |
3 | 120021100020012000 |
4 | 31003323311310 |
5 | 422044312343 |
6 | 33424455300 |
7 | 5300422365 |
oct | 1503736564 |
9 | 507306160 |
10 | 219135348 |
11 | 1027726a3 |
12 | 6147a530 |
13 | 36526cb3 |
14 | 21163b6c |
15 | 14388ed3 |
hex | d0fbd74 |
219135348 has 48 divisors (see below), whose sum is σ = 569520000. Its totient is φ = 72866304.
The previous prime is 219135347. The next prime is 219135361. The reversal of 219135348 is 843531912.
It is a super-2 number, since 2×2191353482 = 96040601486162208, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (219135347) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46233 + ... + 50751.
It is an arithmetic number, because the mean of its divisors is an integer number (11865000).
Almost surely, 2219135348 is an apocalyptic number.
It is an amenable number.
219135348 is an abundant number, since it is smaller than the sum of its proper divisors (350384652).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
219135348 is a wasteful number, since it uses less digits than its factorization.
219135348 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4981 (or 4973 counting only the distinct ones).
The product of its digits is 25920, while the sum is 36.
The square root of 219135348 is about 14803.2208657440. The cubic root of 219135348 is about 602.8891655406.
It can be divided in two parts, 21913 and 5348, that added together give a triangular number (27261 = T233).
The spelling of 219135348 in words is "two hundred nineteen million, one hundred thirty-five thousand, three hundred forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.094 sec. • engine limits •