Base | Representation |
---|---|
bin | 11100001100010… |
… | …000101101010101 |
3 | 1012221222200101112 |
4 | 130030100231111 |
5 | 1432040214323 |
6 | 114533304405 |
7 | 14502142253 |
oct | 3414205525 |
9 | 1187880345 |
10 | 472976213 |
11 | 222a8a036 |
12 | 112495105 |
13 | 76cb29a8 |
14 | 46b5d5d3 |
15 | 2b7cb178 |
hex | 1c310b55 |
472976213 has 4 divisors (see below), whose sum is σ = 476150700. Its totient is φ = 469801728.
The previous prime is 472976191. The next prime is 472976219. The reversal of 472976213 is 312679274.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312679274 = 2 ⋅156339637.
It can be written as a sum of positive squares in 2 ways, for example, as 98863249 + 374112964 = 9943^2 + 19342^2 .
It is a cyclic number.
It is not a de Polignac number, because 472976213 - 26 = 472976149 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 (472976219) 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 3 ways as a sum of consecutive naturals, for example, 1587020 + ... + 1587317.
It is an arithmetic number, because the mean of its divisors is an integer number (119037675).
Almost surely, 2472976213 is an apocalyptic number.
It is an amenable number.
472976213 is a deficient number, since it is larger than the sum of its proper divisors (3174487).
472976213 is a wasteful number, since it uses less digits than its factorization.
472976213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3174486.
The product of its digits is 127008, while the sum is 41.
The square root of 472976213 is about 21748.0163003433. The cubic root of 472976213 is about 779.1356923080.
The spelling of 472976213 in words is "four hundred seventy-two million, nine hundred seventy-six thousand, two hundred thirteen".
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