Base | Representation |
---|---|
bin | 111010010100… |
… | …1011010010101 |
3 | 2010112112120120 |
4 | 1310221122111 |
5 | 30312001300 |
6 | 3011222153 |
7 | 520624431 |
oct | 164513225 |
9 | 63475516 |
10 | 30578325 |
11 | 16295a48 |
12 | a2a7959 |
13 | 64482ab |
14 | 40bd9c1 |
15 | 2a403a0 |
hex | 1d29695 |
30578325 has 48 divisors (see below), whose sum is σ = 55442880. Its totient is φ = 14801920.
The previous prime is 30578309. The next prime is 30578329. The reversal of 30578325 is 52387503.
It is not a de Polignac number, because 30578325 - 24 = 30578309 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30578329) by changing a digit.
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 47 ways as a sum of consecutive naturals, for example, 36562 + ... + 37388.
It is an arithmetic number, because the mean of its divisors is an integer number (1155060).
Almost surely, 230578325 is an apocalyptic number.
It is an amenable number.
30578325 is a deficient number, since it is larger than the sum of its proper divisors (24864555).
30578325 is a wasteful number, since it uses less digits than its factorization.
30578325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 886 (or 881 counting only the distinct ones).
The product of its (nonzero) digits is 25200, while the sum is 33.
The square root of 30578325 is about 5529.7671741223. The cubic root of 30578325 is about 312.7072119053.
It can be divided in two parts, 30578 and 325, that added together give a palindrome (30903).
The spelling of 30578325 in words is "thirty million, five hundred seventy-eight thousand, three hundred twenty-five".
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