Base | Representation |
---|---|
bin | 111010001101… |
… | …0000010010100 |
3 | 2010102100012002 |
4 | 1310122002110 |
5 | 30302442343 |
6 | 3010014432 |
7 | 520243013 |
oct | 164320224 |
9 | 63370162 |
10 | 30515348 |
11 | 162526a6 |
12 | a277418 |
13 | 6425726 |
14 | 40a4a7a |
15 | 2a2b8b8 |
hex | 1d1a094 |
30515348 has 6 divisors (see below), whose sum is σ = 53401866. Its totient is φ = 15257672.
The previous prime is 30515321. The next prime is 30515363. The reversal of 30515348 is 84351503.
It can be written as a sum of positive squares in only one way, i.e., 15984004 + 14531344 = 3998^2 + 3812^2 .
It is a super-2 number, since 2×305153482 = 1862372927122208, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30515348.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3814415 + ... + 3814422.
It is an arithmetic number, because the mean of its divisors is an integer number (8900311).
Almost surely, 230515348 is an apocalyptic number.
It is an amenable number.
30515348 is a deficient number, since it is larger than the sum of its proper divisors (22886518).
30515348 is a wasteful number, since it uses less digits than its factorization.
30515348 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7628841 (or 7628839 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 29.
The square root of 30515348 is about 5524.0698764588. The cubic root of 30515348 is about 312.4923876546.
The spelling of 30515348 in words is "thirty million, five hundred fifteen thousand, three hundred forty-eight".
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