Base | Representation |
---|---|
bin | 1000011100011… |
… | …01001101000001 |
3 | 11221021200120000 |
4 | 10032031031001 |
5 | 121113123321 |
6 | 11010110213 |
7 | 1520033043 |
oct | 416151501 |
9 | 157250500 |
10 | 70832961 |
11 | 36a8a941 |
12 | 1b87b369 |
13 | 118a09c4 |
14 | 959ba93 |
15 | 6342826 |
hex | 438d341 |
70832961 has 20 divisors (see below), whose sum is σ = 106540500. Its totient is φ = 46897056.
The previous prime is 70832959. The next prime is 70832977. The reversal of 70832961 is 16923807.
It can be written as a sum of positive squares in 2 ways, for example, as 7535025 + 63297936 = 2745^2 + 7956^2 .
It is not a de Polignac number, because 70832961 - 21 = 70832959 is a prime.
It is not an unprimeable number, because it can be changed into a prime (70832941) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9135 + ... + 15003.
It is an arithmetic number, because the mean of its divisors is an integer number (5327025).
Almost surely, 270832961 is an apocalyptic number.
It is an amenable number.
70832961 is a deficient number, since it is larger than the sum of its proper divisors (35707539).
70832961 is a wasteful number, since it uses less digits than its factorization.
70832961 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6030 (or 6021 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The square root of 70832961 is about 8416.2319953766. The cubic root of 70832961 is about 413.7567884661.
The spelling of 70832961 in words is "seventy million, eight hundred thirty-two thousand, nine hundred sixty-one".
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