Base | Representation |
---|---|
bin | 111010111000… |
… | …1110100011010 |
3 | 2011002121102001 |
4 | 1311301310122 |
5 | 30400444111 |
6 | 3021431214 |
7 | 523301206 |
oct | 165616432 |
9 | 64077361 |
10 | 30874906 |
11 | 16478857 |
12 | a40b50a |
13 | 652029a |
14 | 4159b06 |
15 | 2a9d1c1 |
hex | 1d71d1a |
30874906 has 16 divisors (see below), whose sum is σ = 47575080. Its totient is φ = 15022080.
The previous prime is 30874897. The next prime is 30874913. The reversal of 30874906 is 60947803.
It can be written as a sum of positive squares in 4 ways, for example, as 17147881 + 13727025 = 4141^2 + 3705^2 .
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, 10530 + ... + 13138.
Almost surely, 230874906 is an apocalyptic number.
30874906 is a deficient number, since it is larger than the sum of its proper divisors (16700174).
30874906 is a wasteful number, since it uses less digits than its factorization.
30874906 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2769.
The product of its (nonzero) digits is 36288, while the sum is 37.
The square root of 30874906 is about 5556.5192341969. The cubic root of 30874906 is about 313.7149494979.
The spelling of 30874906 in words is "thirty million, eight hundred seventy-four thousand, nine hundred six".
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