Base | Representation |
---|---|
bin | 111001010011101… |
… | …101110110111001 |
3 | 2111000011201201121 |
4 | 321103231312321 |
5 | 3432114014011 |
6 | 235223345241 |
7 | 32553234121 |
oct | 7123556671 |
9 | 2430151647 |
10 | 961469881 |
11 | 4537a7609 |
12 | 229bb2221 |
13 | 1242696b8 |
14 | 9199bc81 |
15 | 5961ee71 |
hex | 394eddb9 |
961469881 has 8 divisors (see below), whose sum is σ = 965983104. Its totient is φ = 956964960.
The previous prime is 961469849. The next prime is 961469891. The reversal of 961469881 is 188964169.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 961469881 - 25 = 961469849 is a prime.
It is a super-2 number, since 2×9614698812 = 1848848664140308322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (961469801) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382876 + ... + 385378.
It is an arithmetic number, because the mean of its divisors is an integer number (120747888).
Almost surely, 2961469881 is an apocalyptic number.
It is an amenable number.
961469881 is a deficient number, since it is larger than the sum of its proper divisors (4513223).
961469881 is a wasteful number, since it uses less digits than its factorization.
961469881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4151.
The product of its digits is 746496, while the sum is 52.
The square root of 961469881 is about 31007.5777996283. The cubic root of 961469881 is about 986.9880505255.
The spelling of 961469881 in words is "nine hundred sixty-one million, four hundred sixty-nine thousand, eight hundred eighty-one".
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