Base | Representation |
---|---|
bin | 111010001100… |
… | …1110101011001 |
3 | 2010102022001110 |
4 | 1310121311121 |
5 | 30302431041 |
6 | 3010010533 |
7 | 520240422 |
oct | 164316531 |
9 | 63368043 |
10 | 30514521 |
11 | 16252014 |
12 | a276a49 |
13 | 642523b |
14 | 40a4649 |
15 | 2a2b516 |
hex | 1d19d59 |
30514521 has 8 divisors (see below), whose sum is σ = 40711680. Its totient is φ = 20330192.
The previous prime is 30514499. The next prime is 30514543. The reversal of 30514521 is 12541503.
It is an interprime number because it is at equal distance from previous prime (30514499) and next prime (30514543).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30514521 - 29 = 30514009 is a prime.
It is a super-2 number, since 2×305145212 = 1862271983718882, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30514621) 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, 6871 + ... + 10403.
It is an arithmetic number, because the mean of its divisors is an integer number (5088960).
Almost surely, 230514521 is an apocalyptic number.
It is an amenable number.
30514521 is a deficient number, since it is larger than the sum of its proper divisors (10197159).
30514521 is a wasteful number, since it uses less digits than its factorization.
30514521 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6415.
The product of its (nonzero) digits is 600, while the sum is 21.
The square root of 30514521 is about 5523.9950217211. The cubic root of 30514521 is about 312.4895646649.
The spelling of 30514521 in words is "thirty million, five hundred fourteen thousand, five hundred twenty-one".
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