Base | Representation |
---|---|
bin | 111001111111… |
… | …0010111011010 |
3 | 2010012120201101 |
4 | 1303332113122 |
5 | 30240331020 |
6 | 3003342014 |
7 | 516261412 |
oct | 163762732 |
9 | 63176641 |
10 | 30402010 |
11 | 16185531 |
12 | a22190a |
13 | 63b5c72 |
14 | 4075642 |
15 | 2a0800a |
hex | 1cfe5da |
30402010 has 32 divisors (see below), whose sum is σ = 57106944. Its totient is φ = 11640000.
The previous prime is 30401981. The next prime is 30402013. The reversal of 30402010 is 1020403.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is not an unprimeable number, because it can be changed into a prime (30402013) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30825 + ... + 31795.
It is an arithmetic number, because the mean of its divisors is an integer number (1784592).
Almost surely, 230402010 is an apocalyptic number.
30402010 is a deficient number, since it is larger than the sum of its proper divisors (26704934).
30402010 is a wasteful number, since it uses less digits than its factorization.
30402010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1110.
The product of its (nonzero) digits is 24, while the sum is 10.
The square root of 30402010 is about 5513.8017737311. The cubic root of 30402010 is about 312.1050284690.
Adding to 30402010 its reverse (1020403), we get a palindrome (31422413).
It can be divided in two parts, 3040 and 2010, that added together give a triangular number (5050 = T100).
The spelling of 30402010 in words is "thirty million, four hundred two thousand, ten".
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