Base | Representation |
---|---|
bin | 111001111011… |
… | …0110010000000 |
3 | 2010011000002210 |
4 | 1303312302000 |
5 | 30233332234 |
6 | 3002542120 |
7 | 516102012 |
oct | 163666200 |
9 | 63130083 |
10 | 30370944 |
11 | 1616415a |
12 | a207940 |
13 | 63a4a96 |
14 | 40681b2 |
15 | 29edbe9 |
hex | 1cf6c80 |
30370944 has 64 divisors (see below), whose sum is σ = 81396000. Its totient is φ = 10033152.
The previous prime is 30370939. The next prime is 30371023. The reversal of 30370944 is 44907303.
It is a tau number, because it is divible by the number of its divisors (64).
It is a super-2 number, since 2×303709442 = 1844788478902272, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53092 + ... + 53660.
Almost surely, 230370944 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 30370944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40698000).
30370944 is an abundant number, since it is smaller than the sum of its proper divisors (51025056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30370944 is a wasteful number, since it uses less digits than its factorization.
30370944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 725 (or 713 counting only the distinct ones).
The product of its (nonzero) digits is 9072, while the sum is 30.
The square root of 30370944 is about 5510.9839411851. The cubic root of 30370944 is about 311.9986850701.
The spelling of 30370944 in words is "thirty million, three hundred seventy thousand, nine hundred forty-four".
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