Base | Representation |
---|---|
bin | 111001100001… |
… | …1110010010110 |
3 | 2002202101120201 |
4 | 1303003302112 |
5 | 30210141240 |
6 | 2554251114 |
7 | 514242031 |
oct | 163036226 |
9 | 62671521 |
10 | 30162070 |
11 | 16031234 |
12 | a126a9a |
13 | 63309a3 |
14 | 4012018 |
15 | 29abd9a |
hex | 1cc3c96 |
30162070 has 32 divisors (see below), whose sum is σ = 56505600. Its totient is φ = 11579520.
The previous prime is 30162061. The next prime is 30162113. The reversal of 30162070 is 7026103.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45864 + ... + 46516.
It is an arithmetic number, because the mean of its divisors is an integer number (1765800).
Almost surely, 230162070 is an apocalyptic number.
30162070 is a deficient number, since it is larger than the sum of its proper divisors (26343530).
30162070 is a wasteful number, since it uses less digits than its factorization.
30162070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 840.
The product of its (nonzero) digits is 252, while the sum is 19.
The square root of 30162070 is about 5492.0005462491. Note that the first 3 decimals coincide. The cubic root of 30162070 is about 311.2817895199.
Adding to 30162070 its reverse (7026103), we get a palindrome (37188173).
The spelling of 30162070 in words is "thirty million, one hundred sixty-two thousand, seventy".
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