Base | Representation |
---|---|
bin | 1100001101011… |
… | …1010101101010 |
3 | 10120100220221202 |
4 | 3003113111222 |
5 | 101102314144 |
6 | 5025404202 |
7 | 1161211001 |
oct | 303272552 |
9 | 116326852 |
10 | 51213674 |
11 | 269aa656 |
12 | 15199662 |
13 | a7c1965 |
14 | 6b31c38 |
15 | 476964e |
hex | 30d756a |
51213674 has 16 divisors (see below), whose sum is σ = 81236736. Its totient is φ = 24175200.
The previous prime is 51213667. The next prime is 51213689. The reversal of 51213674 is 47631215.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7532 + ... + 12615.
It is an arithmetic number, because the mean of its divisors is an integer number (5077296).
Almost surely, 251213674 is an apocalyptic number.
51213674 is a deficient number, since it is larger than the sum of its proper divisors (30023062).
51213674 is a wasteful number, since it uses less digits than its factorization.
51213674 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20221.
The product of its digits is 5040, while the sum is 29.
The square root of 51213674 is about 7156.3729640091. The cubic root of 51213674 is about 371.3601605621.
Adding to 51213674 its reverse (47631215), we get a palindrome (98844889).
The spelling of 51213674 in words is "fifty-one million, two hundred thirteen thousand, six hundred seventy-four".
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