Base | Representation |
---|---|
bin | 11010001001110… |
… | …01000011000000 |
3 | 120021210222002012 |
4 | 31010321003000 |
5 | 422130323143 |
6 | 33434112052 |
7 | 5302515320 |
oct | 1504710300 |
9 | 507728065 |
10 | 219386048 |
11 | 102923a92 |
12 | 6157b628 |
13 | 365b413b |
14 | 211cb280 |
15 | 143d8418 |
hex | d1390c0 |
219386048 has 56 divisors (see below), whose sum is σ = 499774464. Its totient is φ = 93600000.
The previous prime is 219386021. The next prime is 219386053. The reversal of 219386048 is 840683912.
It is a tau number, because it is divible by the number of its divisors (56).
It is a junction number, because it is equal to n+sod(n) for n = 219385996 and 219386014.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111473 + ... + 113423.
It is an arithmetic number, because the mean of its divisors is an integer number (8924544).
Almost surely, 2219386048 is an apocalyptic number.
219386048 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 219386048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249887232).
219386048 is an abundant number, since it is smaller than the sum of its proper divisors (280388416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
219386048 is a wasteful number, since it uses less digits than its factorization.
219386048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2221 (or 2211 counting only the distinct ones).
The product of its (nonzero) digits is 82944, while the sum is 41.
The square root of 219386048 is about 14811.6861970540. The cubic root of 219386048 is about 603.1189880579.
The spelling of 219386048 in words is "two hundred nineteen million, three hundred eighty-six thousand, forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •