Base | Representation |
---|---|
bin | 111001111111… |
… | …1111100110101 |
3 | 2010012220121210 |
4 | 1303333330311 |
5 | 30241033001 |
6 | 3003432033 |
7 | 516316344 |
oct | 163777465 |
9 | 63186553 |
10 | 30408501 |
11 | 1618a3a2 |
12 | a225619 |
13 | 63b8bc6 |
14 | 4077b5b |
15 | 2a09dd6 |
hex | 1cfff35 |
30408501 has 16 divisors (see below), whose sum is σ = 42183360. Its totient is φ = 19461120.
The previous prime is 30408473. The next prime is 30408509. The reversal of 30408501 is 10580403.
It is not a de Polignac number, because 30408501 - 29 = 30407989 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30408509) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15886 + ... + 17696.
It is an arithmetic number, because the mean of its divisors is an integer number (2636460).
Almost surely, 230408501 is an apocalyptic number.
It is an amenable number.
30408501 is a deficient number, since it is larger than the sum of its proper divisors (11774859).
30408501 is a wasteful number, since it uses less digits than its factorization.
30408501 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2036.
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 30408501 is about 5514.3903561500. The cubic root of 30408501 is about 312.1272389476.
Adding to 30408501 its reverse (10580403), we get a palindrome (40988904).
The spelling of 30408501 in words is "thirty million, four hundred eight thousand, five hundred one".
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