Base | Representation |
---|---|
bin | 101000000100100… |
… | …011100000000111 |
3 | 1201212000111101201 |
4 | 220010203200013 |
5 | 2334101021011 |
6 | 150413203331 |
7 | 22442210446 |
oct | 5004434007 |
9 | 1655014351 |
10 | 672282631 |
11 | 315538989 |
12 | 169190547 |
13 | a9386397 |
14 | 65400d5d |
15 | 3e049cc1 |
hex | 28123807 |
672282631 has 4 divisors (see below), whose sum is σ = 674658472. Its totient is φ = 669906792.
The previous prime is 672282607. The next prime is 672282649. The reversal of 672282631 is 136282276.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 672282631 - 213 = 672274439 is a prime.
It is a super-2 number, since 2×6722826312 = 903927871888564322, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (672282131) 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, 1187496 + ... + 1188061.
It is an arithmetic number, because the mean of its divisors is an integer number (168664618).
Almost surely, 2672282631 is an apocalyptic number.
672282631 is a deficient number, since it is larger than the sum of its proper divisors (2375841).
672282631 is a wasteful number, since it uses less digits than its factorization.
672282631 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2375840.
The product of its digits is 48384, while the sum is 37.
The square root of 672282631 is about 25928.4135843287. The cubic root of 672282631 is about 876.0266071824.
The spelling of 672282631 in words is "six hundred seventy-two million, two hundred eighty-two thousand, six hundred thirty-one".
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