Base | Representation |
---|---|
bin | 111001101011… |
… | …0111010010010 |
3 | 2002220101000220 |
4 | 1303112322102 |
5 | 30220143102 |
6 | 3000053510 |
7 | 515016303 |
oct | 163267222 |
9 | 62811026 |
10 | 30240402 |
11 | 16085075 |
12 | a164296 |
13 | 635a53a |
14 | 40327aa |
15 | 29c51bc |
hex | 1cd6e92 |
30240402 has 8 divisors (see below), whose sum is σ = 60480816. Its totient is φ = 10080132.
The previous prime is 30240401. The next prime is 30240437. The reversal of 30240402 is 20404203.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
30240402 is an admirable number.
It is a super-4 number, since 4×302404024 (a number of 31 digits) contains 4444 as substring.
It is not an unprimeable number, because it can be changed into a prime (30240401) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2520028 + ... + 2520039.
It is an arithmetic number, because the mean of its divisors is an integer number (7560102).
Almost surely, 230240402 is an apocalyptic number.
30240402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30240402 is a wasteful number, since it uses less digits than its factorization.
30240402 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5040072.
The product of its (nonzero) digits is 192, while the sum is 15.
The square root of 30240402 is about 5499.1273853221. The cubic root of 30240402 is about 311.5510266490.
Adding to 30240402 its reverse (20404203), we get a palindrome (50644605).
It can be divided in two parts, 302 and 40402, that added together give a palindrome (40704).
The spelling of 30240402 in words is "thirty million, two hundred forty thousand, four hundred two".
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