Base | Representation |
---|---|
bin | 11100001011101… |
… | …000110100001101 |
3 | 1012221200101020200 |
4 | 130023220310031 |
5 | 1432020002223 |
6 | 114530004113 |
7 | 14500562004 |
oct | 3413506415 |
9 | 1187611220 |
10 | 472812813 |
11 | 2229882a0 |
12 | 112416639 |
13 | 76c564c5 |
14 | 46b19c3b |
15 | 2b797a43 |
hex | 1c2e8d0d |
472812813 has 12 divisors (see below), whose sum is σ = 745038528. Its totient is φ = 286553160.
The previous prime is 472812811. The next prime is 472812827. The reversal of 472812813 is 318218274.
It is not a de Polignac number, because 472812813 - 21 = 472812811 is a prime.
It is a super-3 number, since 3×4728128133 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (472812811) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2387845 + ... + 2388042.
It is an arithmetic number, because the mean of its divisors is an integer number (62086544).
Almost surely, 2472812813 is an apocalyptic number.
It is an amenable number.
472812813 is a deficient number, since it is larger than the sum of its proper divisors (272225715).
472812813 is a wasteful number, since it uses less digits than its factorization.
472812813 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4775904 (or 4775901 counting only the distinct ones).
The product of its digits is 21504, while the sum is 36.
The square root of 472812813 is about 21744.2593113677. The cubic root of 472812813 is about 779.0459588062.
The spelling of 472812813 in words is "four hundred seventy-two million, eight hundred twelve thousand, eight hundred thirteen".
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