Base | Representation |
---|---|
bin | 111010111001… |
… | …1111111000000 |
3 | 2011010001120120 |
4 | 1311303333000 |
5 | 30401240101 |
6 | 3021540240 |
7 | 523336110 |
oct | 165637700 |
9 | 64101516 |
10 | 30883776 |
11 | 16484490 |
12 | a414680 |
13 | 6524331 |
14 | 415d040 |
15 | 2aa0b36 |
hex | 1d73fc0 |
30883776 has 112 divisors (see below), whose sum is σ = 101925120. Its totient is φ = 8017920.
The previous prime is 30883763. The next prime is 30883799. The reversal of 30883776 is 67738803.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (112).
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13740 + ... + 15828.
Almost surely, 230883776 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 30883776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50962560).
30883776 is an abundant number, since it is smaller than the sum of its proper divisors (71041344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30883776 is a wasteful number, since it uses less digits than its factorization.
30883776 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2122 (or 2112 counting only the distinct ones).
The product of its (nonzero) digits is 169344, while the sum is 42.
The square root of 30883776 is about 5557.3173384287. The cubic root of 30883776 is about 313.7449888355.
The spelling of 30883776 in words is "thirty million, eight hundred eighty-three thousand, seven hundred seventy-six".
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