Base | Representation |
---|---|
bin | 111001111100000… |
… | …100000010110001 |
3 | 2111202002002010201 |
4 | 321330010002301 |
5 | 3442320442023 |
6 | 240242155201 |
7 | 33042154564 |
oct | 7174040261 |
9 | 2452062121 |
10 | 972046513 |
11 | 459770a29 |
12 | 231652b01 |
13 | 126500869 |
14 | 931524db |
15 | 5a50dbad |
hex | 39f040b1 |
972046513 has 4 divisors (see below), whose sum is σ = 972324720. Its totient is φ = 971768308.
The previous prime is 972046487. The next prime is 972046541. The reversal of 972046513 is 315640279.
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 972046513 - 213 = 972038321 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (972046583) by changing a digit.
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 in 3 ways as a sum of consecutive naturals, for example, 133795 + ... + 140872.
It is an arithmetic number, because the mean of its divisors is an integer number (243081180).
Almost surely, 2972046513 is an apocalyptic number.
It is an amenable number.
972046513 is a deficient number, since it is larger than the sum of its proper divisors (278207).
972046513 is a wasteful number, since it uses less digits than its factorization.
972046513 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 278206.
The product of its (nonzero) digits is 45360, while the sum is 37.
The square root of 972046513 is about 31177.6604799013. The cubic root of 972046513 is about 990.5939750894.
The spelling of 972046513 in words is "nine hundred seventy-two million, forty-six thousand, five hundred thirteen".
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