Base | Representation |
---|---|
bin | 111001110111100… |
… | …011000101110001 |
3 | 2111122211221121110 |
4 | 321313203011301 |
5 | 3442020103321 |
6 | 240200543533 |
7 | 33026125155 |
oct | 7167430561 |
9 | 2448757543 |
10 | 970862961 |
11 | 459032792 |
12 | 231181ba9 |
13 | 1261a7c33 |
14 | 92d25065 |
15 | 5a378176 |
hex | 39de3171 |
970862961 has 4 divisors (see below), whose sum is σ = 1294483952. Its totient is φ = 647241972.
The previous prime is 970862953. The next prime is 970862983. The reversal of 970862961 is 169268079.
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, and also an emirpimes, since its reverse is a distinct semiprime: 169268079 = 3 ⋅56422693.
It is not a de Polignac number, because 970862961 - 23 = 970862953 is a prime.
It is a super-3 number, since 3×9708629613 (a number of 28 digits) contains 333 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 970862961.
It is not an unprimeable number, because it can be changed into a prime (970862951) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161810491 + ... + 161810496.
It is an arithmetic number, because the mean of its divisors is an integer number (323620988).
Almost surely, 2970862961 is an apocalyptic number.
It is an amenable number.
970862961 is a deficient number, since it is larger than the sum of its proper divisors (323620991).
970862961 is a wasteful number, since it uses less digits than its factorization.
970862961 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 323620990.
The product of its (nonzero) digits is 326592, while the sum is 48.
The square root of 970862961 is about 31158.6739287794. The cubic root of 970862961 is about 990.1917667492.
The spelling of 970862961 in words is "nine hundred seventy million, eight hundred sixty-two thousand, nine hundred sixty-one".
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