Base | Representation |
---|---|
bin | 111001111100… |
… | …1000111111001 |
3 | 2010011111021002 |
4 | 1303321013321 |
5 | 30234134122 |
6 | 3003054345 |
7 | 516141665 |
oct | 163710771 |
9 | 63144232 |
10 | 30380537 |
11 | 16170390 |
12 | a2113b5 |
13 | 63a9265 |
14 | 406b8a5 |
15 | 2a01992 |
hex | 1cf91f9 |
30380537 has 8 divisors (see below), whose sum is σ = 33182400. Its totient is φ = 27585360.
The previous prime is 30380533. The next prime is 30380551. The reversal of 30380537 is 73508303.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30380537 - 22 = 30380533 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30380531) 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, 16148 + ... + 17930.
It is an arithmetic number, because the mean of its divisors is an integer number (4147800).
Almost surely, 230380537 is an apocalyptic number.
It is an amenable number.
30380537 is a deficient number, since it is larger than the sum of its proper divisors (2801863).
30380537 is a wasteful number, since it uses less digits than its factorization.
30380537 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3343.
The product of its (nonzero) digits is 7560, while the sum is 29.
The square root of 30380537 is about 5511.8542252131. The cubic root of 30380537 is about 312.0315310288.
The spelling of 30380537 in words is "thirty million, three hundred eighty thousand, five hundred thirty-seven".
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