Base | Representation |
---|---|
bin | 110011011100… |
… | …0111101000000 |
3 | 1212202022120210 |
4 | 1212320331000 |
5 | 23401100333 |
6 | 2402034120 |
7 | 445154322 |
oct | 146707500 |
9 | 55668523 |
10 | 26971968 |
11 | 14252491 |
12 | 9048940 |
13 | 578495a |
14 | 3821612 |
15 | 257ba63 |
hex | 19b8f40 |
26971968 has 56 divisors (see below), whose sum is σ = 72603360. Its totient is φ = 8834560.
The previous prime is 26971951. The next prime is 26971981. The reversal of 26971968 is 86917962.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
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, 10138 + ... + 12518.
Almost surely, 226971968 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 26971968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36301680).
26971968 is an abundant number, since it is smaller than the sum of its proper divisors (45631392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26971968 is a wasteful number, since it uses less digits than its factorization.
26971968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2455 (or 2445 counting only the distinct ones).
The product of its digits is 326592, while the sum is 48.
The square root of 26971968 is about 5193.4543417652. The cubic root of 26971968 is about 299.8961418269.
The spelling of 26971968 in words is "twenty-six million, nine hundred seventy-one thousand, nine hundred sixty-eight".
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