Base | Representation |
---|---|
bin | 110010111001… |
… | …1110110101110 |
3 | 1212012221100100 |
4 | 1211303312232 |
5 | 23313021232 |
6 | 2352011530 |
7 | 442565220 |
oct | 145636656 |
9 | 55187310 |
10 | 26688942 |
11 | 14079885 |
12 | 8b30ba6 |
13 | 56b5b97 |
14 | 378a410 |
15 | 2522c7c |
hex | 1973dae |
26688942 has 24 divisors (see below), whose sum is σ = 66087216. Its totient is φ = 7625376.
The previous prime is 26688917. The next prime is 26688967. The reversal of 26688942 is 24988662.
It is an interprime number because it is at equal distance from previous prime (26688917) and next prime (26688967).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105783 + ... + 106034.
It is an arithmetic number, because the mean of its divisors is an integer number (2753634).
Almost surely, 226688942 is an apocalyptic number.
26688942 is an abundant number, since it is smaller than the sum of its proper divisors (39398274).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26688942 is a wasteful number, since it uses less digits than its factorization.
26688942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 211832 (or 211829 counting only the distinct ones).
The product of its digits is 331776, while the sum is 45.
The square root of 26688942 is about 5166.1341445998. The cubic root of 26688942 is about 298.8434806055.
The spelling of 26688942 in words is "twenty-six million, six hundred eighty-eight thousand, nine hundred forty-two".
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