Base | Representation |
---|---|
bin | 110010010000… |
… | …1100111010001 |
3 | 1211120211021000 |
4 | 1210201213101 |
5 | 23221231311 |
6 | 2340452213 |
7 | 436663140 |
oct | 144414721 |
9 | 54524230 |
10 | 26352081 |
11 | 13969788 |
12 | 89aa069 |
13 | 55c8762 |
14 | 36dd757 |
15 | 24a8056 |
hex | 19219d1 |
26352081 has 16 divisors (see below), whose sum is σ = 44617600. Its totient is φ = 15058224.
The previous prime is 26352059. The next prime is 26352113. The reversal of 26352081 is 18025362.
26352081 is a `hidden beast` number, since 2 + 63 + 520 + 81 = 666.
It is not a de Polignac number, because 26352081 - 210 = 26351057 is a prime.
It is a super-2 number, since 2×263520812 = 1388864346061122, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (26352041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69526 + ... + 69903.
It is an arithmetic number, because the mean of its divisors is an integer number (2788600).
Almost surely, 226352081 is an apocalyptic number.
26352081 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
26352081 is a deficient number, since it is larger than the sum of its proper divisors (18265519).
26352081 is a wasteful number, since it uses less digits than its factorization.
26352081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 139445 (or 139439 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The square root of 26352081 is about 5133.4278021610. The cubic root of 26352081 is about 297.5808447283.
The spelling of 26352081 in words is "twenty-six million, three hundred fifty-two thousand, eighty-one".
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