Base | Representation |
---|---|
bin | 111011000010… |
… | …0111010000000 |
3 | 2011020120122200 |
4 | 1312010322000 |
5 | 30410444323 |
6 | 3023233200 |
7 | 524045145 |
oct | 166047200 |
9 | 64216580 |
10 | 30953088 |
11 | 16521571 |
12 | a448800 |
13 | 6549a4a |
14 | 417a3cc |
15 | 2ab6443 |
hex | 1d84e80 |
30953088 has 96 divisors (see below), whose sum is σ = 90313860. Its totient is φ = 10174464.
The previous prime is 30953059. The next prime is 30953099. The reversal of 30953088 is 88035903.
It can be written as a sum of positive squares in 2 ways, for example, as 29680704 + 1272384 = 5448^2 + 1128^2 .
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (36).
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, 111606 + ... + 111882.
Almost surely, 230953088 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 30953088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45156930).
30953088 is an abundant number, since it is smaller than the sum of its proper divisors (59360772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30953088 is a wasteful number, since it uses less digits than its factorization.
30953088 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 394 (or 379 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 36.
The square root of 30953088 is about 5563.5499458529. The cubic root of 30953088 is about 313.9795245415.
The spelling of 30953088 in words is "thirty million, nine hundred fifty-three thousand, eighty-eight".
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