Base | Representation |
---|---|
bin | 111001111100… |
… | …0000000100010 |
3 | 2010011020222221 |
4 | 1303320000202 |
5 | 30234012340 |
6 | 3003021254 |
7 | 516122452 |
oct | 163700042 |
9 | 63136887 |
10 | 30375970 |
11 | 16167a09 |
12 | a20a82a |
13 | 63a7161 |
14 | 4069d62 |
15 | 2a0044a |
hex | 1cf8022 |
30375970 has 16 divisors (see below), whose sum is σ = 56441088. Its totient is φ = 11758320.
The previous prime is 30375953. The next prime is 30375971. The reversal of 30375970 is 7957303.
It is not an unprimeable number, because it can be changed into a prime (30375971) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48684 + ... + 49303.
It is an arithmetic number, because the mean of its divisors is an integer number (3527568).
Almost surely, 230375970 is an apocalyptic number.
30375970 is a deficient number, since it is larger than the sum of its proper divisors (26065118).
30375970 is a wasteful number, since it uses less digits than its factorization.
30375970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 98025.
The product of its (nonzero) digits is 19845, while the sum is 34.
The square root of 30375970 is about 5511.4399207467. The cubic root of 30375970 is about 312.0158947085.
The spelling of 30375970 in words is "thirty million, three hundred seventy-five thousand, nine hundred seventy".
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