Base | Representation |
---|---|
bin | 11010100110010111000101 |
3 | 111010020222102 |
4 | 122212113011 |
5 | 3241112434 |
6 | 405241445 |
7 | 113161031 |
oct | 32462705 |
9 | 14106872 |
10 | 6972869 |
11 | 3a32902 |
12 | 2403285 |
13 | 15a1a77 |
14 | cd71c1 |
15 | 92b07e |
hex | 6a65c5 |
6972869 has 4 divisors (see below), whose sum is σ = 7038144. Its totient is φ = 6907596.
The previous prime is 6972863. The next prime is 6972871. The reversal of 6972869 is 9682796.
6972869 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
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.
It is a cyclic number.
It is not a de Polignac number, because 6972869 - 220 = 5924293 is a prime.
It is a super-2 number, since 2×69728692 = 97241804182322, which contains 22 as substring.
It is an Ulam number.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6972863) 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, 32477 + ... + 32690.
It is an arithmetic number, because the mean of its divisors is an integer number (1759536).
Almost surely, 26972869 is an apocalyptic number.
It is an amenable number.
6972869 is a deficient number, since it is larger than the sum of its proper divisors (65275).
6972869 is a wasteful number, since it uses less digits than its factorization.
6972869 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65274.
The product of its digits is 326592, while the sum is 47.
The square root of 6972869 is about 2640.6190562063. The cubic root of 6972869 is about 191.0456566931.
The spelling of 6972869 in words is "six million, nine hundred seventy-two thousand, eight hundred sixty-nine".
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