Base | Representation |
---|---|
bin | 1110101000000… |
… | …1000010101000 |
3 | 11021102200211121 |
4 | 3222001002220 |
5 | 111201032320 |
6 | 10030505024 |
7 | 1343301124 |
oct | 352010250 |
9 | 137380747 |
10 | 61345960 |
11 | 316a0145 |
12 | 18665174 |
13 | c92b7b0 |
14 | 820c584 |
15 | 55bb8aa |
hex | 3a810a8 |
61345960 has 32 divisors (see below), whose sum is σ = 148647240. Its totient is φ = 22650624.
The previous prime is 61345957. The next prime is 61345967. The reversal of 61345960 is 6954316.
It can be written as a sum of positive squares in 4 ways, for example, as 55323844 + 6022116 = 7438^2 + 2454^2 .
It is not an unprimeable number, because it can be changed into a prime (61345967) 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, 58467 + ... + 59506.
Almost surely, 261345960 is an apocalyptic number.
It is an amenable number.
61345960 is an abundant number, since it is smaller than the sum of its proper divisors (87301280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61345960 is a wasteful number, since it uses less digits than its factorization.
61345960 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 117997 (or 117993 counting only the distinct ones).
The product of its (nonzero) digits is 19440, while the sum is 34.
The square root of 61345960 is about 7832.3661814295. The cubic root of 61345960 is about 394.3925074041.
The spelling of 61345960 in words is "sixty-one million, three hundred forty-five thousand, nine hundred sixty".
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