Base | Representation |
---|---|
bin | 111111001110… |
… | …0110010000110 |
3 | 2022101002120010 |
4 | 1332130302012 |
5 | 31441214123 |
6 | 3142251050 |
7 | 551516340 |
oct | 176346206 |
9 | 68332503 |
10 | 33148038 |
11 | 17790680 |
12 | b126a86 |
13 | 6b37b31 |
14 | 458c290 |
15 | 2d9b993 |
hex | 1f9cc86 |
33148038 has 64 divisors (see below), whose sum is σ = 83363328. Its totient is φ = 8536320.
The previous prime is 33148013. The next prime is 33148043. The reversal of 33148038 is 83084133.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 33147996 and 33148014.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72306 + ... + 72762.
It is an arithmetic number, because the mean of its divisors is an integer number (1302552).
Almost surely, 233148038 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 33148038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41681664).
33148038 is an abundant number, since it is smaller than the sum of its proper divisors (50215290).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
33148038 is a wasteful number, since it uses less digits than its factorization.
33148038 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 637.
The product of its (nonzero) digits is 6912, while the sum is 30.
The square root of 33148038 is about 5757.4332822882. The cubic root of 33148038 is about 321.2323508702.
The spelling of 33148038 in words is "thirty-three million, one hundred forty-eight thousand, thirty-eight".
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