Base | Representation |
---|---|
bin | 111010100011… |
… | …1001111011001 |
3 | 2010202202011202 |
4 | 1311013033121 |
5 | 30324404010 |
6 | 3014003545 |
7 | 521643563 |
oct | 165071731 |
9 | 63682152 |
10 | 30700505 |
11 | 16369820 |
12 | a3465b5 |
13 | 648baa4 |
14 | 4112333 |
15 | 2a666a5 |
hex | 1d473d9 |
30700505 has 16 divisors (see below), whose sum is σ = 40506048. Its totient is φ = 22152000.
The previous prime is 30700493. The next prime is 30700517. The reversal of 30700505 is 50500703.
It is an interprime number because it is at equal distance from previous prime (30700493) and next prime (30700517).
It is not a de Polignac number, because 30700505 - 26 = 30700441 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5075 + ... + 9335.
It is an arithmetic number, because the mean of its divisors is an integer number (2531628).
Almost surely, 230700505 is an apocalyptic number.
It is an amenable number.
30700505 is a deficient number, since it is larger than the sum of its proper divisors (9805543).
30700505 is a wasteful number, since it uses less digits than its factorization.
30700505 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4408.
The product of its (nonzero) digits is 525, while the sum is 20.
The square root of 30700505 is about 5540.8036420721. The cubic root of 30700505 is about 313.1231469752.
The spelling of 30700505 in words is "thirty million, seven hundred thousand, five hundred five".
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