Base | Representation |
---|---|
bin | 111001010011101… |
… | …000100000000101 |
3 | 2111000010121122000 |
4 | 321103220200011 |
5 | 3432112313231 |
6 | 235223055513 |
7 | 32553113136 |
oct | 7123504005 |
9 | 2430117560 |
10 | 961447941 |
11 | 453792083 |
12 | 229ba1599 |
13 | 12425c70c |
14 | 91993c8d |
15 | 596186e6 |
hex | 394e8805 |
961447941 has 8 divisors (see below), whose sum is σ = 1424367360. Its totient is φ = 640965276.
The previous prime is 961447913. The next prime is 961447943. The reversal of 961447941 is 149744169.
It is not a de Polignac number, because 961447941 - 27 = 961447813 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (961447943) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17804565 + ... + 17804618.
It is an arithmetic number, because the mean of its divisors is an integer number (178045920).
Almost surely, 2961447941 is an apocalyptic number.
It is an amenable number.
961447941 is a deficient number, since it is larger than the sum of its proper divisors (462919419).
961447941 is a wasteful number, since it uses less digits than its factorization.
961447941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35609192 (or 35609186 counting only the distinct ones).
The product of its digits is 217728, while the sum is 45.
The square root of 961447941 is about 31007.2240131231. The cubic root of 961447941 is about 986.9805430334.
The spelling of 961447941 in words is "nine hundred sixty-one million, four hundred forty-seven thousand, nine hundred forty-one".
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