Base | Representation |
---|---|
bin | 110011011111… |
… | …1000110100000 |
3 | 1212210121010112 |
4 | 1212333012200 |
5 | 23402402102 |
6 | 2402350452 |
7 | 445320620 |
oct | 146770640 |
9 | 55717115 |
10 | 26997152 |
11 | 1426a3a6 |
12 | 905b428 |
13 | 5793260 |
14 | 382a880 |
15 | 2584252 |
hex | 19bf1a0 |
26997152 has 96 divisors (see below), whose sum is σ = 66834432. Its totient is φ = 10450944.
The previous prime is 26997127. The next prime is 26997167. The reversal of 26997152 is 25179962.
It is a super-2 number, since 2×269971522 = 1457692432222208, which contains 22 as substring.
It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212513 + ... + 212639.
It is an arithmetic number, because the mean of its divisors is an integer number (696192).
Almost surely, 226997152 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 26997152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33417216).
26997152 is an abundant number, since it is smaller than the sum of its proper divisors (39837280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26997152 is a wasteful number, since it uses less digits than its factorization.
26997152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 230 (or 222 counting only the distinct ones).
The product of its digits is 68040, while the sum is 41.
The square root of 26997152 is about 5195.8783665517. The cubic root of 26997152 is about 299.9894514810.
The spelling of 26997152 in words is "twenty-six million, nine hundred ninety-seven thousand, one hundred fifty-two".
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