Base | Representation |
---|---|
bin | 1011010101110100111010 |
3 | 12121001011121 |
4 | 23111310322 |
5 | 1230113421 |
6 | 143415454 |
7 | 34161412 |
oct | 13256472 |
9 | 5531147 |
10 | 2972986 |
11 | 1750715 |
12 | bb458a |
13 | 801283 |
14 | 575642 |
15 | 3dad41 |
hex | 2d5d3a |
2972986 has 4 divisors (see below), whose sum is σ = 4459482. Its totient is φ = 1486492.
The previous prime is 2972971. The next prime is 2973001. The reversal of 2972986 is 6892792.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (2972971) and next prime (2973001).
It can be written as a sum of positive squares in only one way, i.e., 2461761 + 511225 = 1569^2 + 715^2 .
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 743245 + ... + 743248.
22972986 is an apocalyptic number.
2972986 is a deficient number, since it is larger than the sum of its proper divisors (1486496).
2972986 is a wasteful number, since it uses less digits than its factorization.
2972986 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1486495.
The product of its digits is 108864, while the sum is 43.
The square root of 2972986 is about 1724.2349027902. The cubic root of 2972986 is about 143.7907518991.
It can be divided in two parts, 2972 and 986, that multiplied together give a palindrome (2930392).
The spelling of 2972986 in words is "two million, nine hundred seventy-two thousand, nine hundred eighty-six".
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