Base | Representation |
---|---|
bin | 111010010000… |
… | …0001100011010 |
3 | 2010110121210020 |
4 | 1310200030122 |
5 | 30304244240 |
6 | 3010331310 |
7 | 520406364 |
oct | 164401432 |
9 | 63417706 |
10 | 30540570 |
11 | 1626a645 |
12 | a289b36 |
13 | 6434058 |
14 | 40add34 |
15 | 2a340d0 |
hex | 1d2031a |
30540570 has 16 divisors (see below), whose sum is σ = 73297440. Its totient is φ = 8144144.
The previous prime is 30540569. The next prime is 30540593. The reversal of 30540570 is 7504503.
It is a self number, because there is not a number n which added to its sum of digits gives 30540570.
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, 508980 + ... + 509039.
It is an arithmetic number, because the mean of its divisors is an integer number (4581090).
Almost surely, 230540570 is an apocalyptic number.
30540570 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30540570 is an abundant number, since it is smaller than the sum of its proper divisors (42756870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30540570 is a wasteful number, since it uses less digits than its factorization.
30540570 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1018029.
The product of its (nonzero) digits is 2100, while the sum is 24.
The square root of 30540570 is about 5526.3523231875. The cubic root of 30540570 is about 312.5784592330.
The spelling of 30540570 in words is "thirty million, five hundred forty thousand, five hundred seventy".
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