Base | Representation |
---|---|
bin | 111001111110… |
… | …1111110011101 |
3 | 2010012111112020 |
4 | 1303331332131 |
5 | 30240303123 |
6 | 3003330353 |
7 | 516253641 |
oct | 163757635 |
9 | 63174466 |
10 | 30400413 |
11 | 1618430a |
12 | a2209b9 |
13 | 63b5314 |
14 | 4074c21 |
15 | 2a077e3 |
hex | 1cfdf9d |
30400413 has 8 divisors (see below), whose sum is σ = 40610976. Its totient is φ = 20228400.
The previous prime is 30400351. The next prime is 30400417. The reversal of 30400413 is 31400403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30400413 - 220 = 29351837 is a prime.
It is a super-2 number, since 2×304004132 = 1848370221141138, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30400392 and 30400401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30400417) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7743 + ... + 10988.
It is an arithmetic number, because the mean of its divisors is an integer number (5076372).
Almost surely, 230400413 is an apocalyptic number.
It is an amenable number.
30400413 is a deficient number, since it is larger than the sum of its proper divisors (10210563).
30400413 is a wasteful number, since it uses less digits than its factorization.
30400413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19275.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 30400413 is about 5513.6569534203. The cubic root of 30400413 is about 312.0995634744.
Adding to 30400413 its reverse (31400403), we get a palindrome (61800816).
The spelling of 30400413 in words is "thirty million, four hundred thousand, four hundred thirteen".
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