Base | Representation |
---|---|
bin | 111010110010… |
… | …1111111101101 |
3 | 2011000010222101 |
4 | 1311211333231 |
5 | 30342421402 |
6 | 3020415101 |
7 | 523010053 |
oct | 165457755 |
9 | 64003871 |
10 | 30826477 |
11 | 16445430 |
12 | a3a7491 |
13 | 6504226 |
14 | 41461d3 |
15 | 2a8db87 |
hex | 1d65fed |
30826477 has 4 divisors (see below), whose sum is σ = 33628896. Its totient is φ = 28024060.
The previous prime is 30826469. The next prime is 30826483. The reversal of 30826477 is 77462803.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77462803 = 11 ⋅7042073.
It is a cyclic number.
It is not a de Polignac number, because 30826477 - 23 = 30826469 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30826487) 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, 1401193 + ... + 1401214.
It is an arithmetic number, because the mean of its divisors is an integer number (8407224).
Almost surely, 230826477 is an apocalyptic number.
It is an amenable number.
30826477 is a deficient number, since it is larger than the sum of its proper divisors (2802419).
30826477 is a wasteful number, since it uses less digits than its factorization.
30826477 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2802418.
The product of its (nonzero) digits is 56448, while the sum is 37.
The square root of 30826477 is about 5552.1596698942. The cubic root of 30826477 is about 313.5508372374.
It can be divided in two parts, 3082 and 6477, that added together give a palindrome (9559).
The spelling of 30826477 in words is "thirty million, eight hundred twenty-six thousand, four hundred seventy-seven".
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