Base | Representation |
---|---|
bin | 1110100101010… |
… | …0100011001100 |
3 | 11021002102212010 |
4 | 3221110203030 |
5 | 111124214344 |
6 | 10022541220 |
7 | 1341611616 |
oct | 351244314 |
9 | 137072763 |
10 | 61163724 |
11 | 31586236 |
12 | 18597810 |
13 | c89686b |
14 | 81a1db6 |
15 | 55828b9 |
hex | 3a548cc |
61163724 has 24 divisors (see below), whose sum is σ = 145056688. Its totient is φ = 20053440.
The previous prime is 61163723. The next prime is 61163741. The reversal of 61163724 is 42736116.
It is a super-3 number, since 3×611637243 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 61163691 and 61163700.
It is not an unprimeable number, because it can be changed into a prime (61163723) 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, 41047 + ... + 42510.
Almost surely, 261163724 is an apocalyptic number.
It is an amenable number.
61163724 is an abundant number, since it is smaller than the sum of its proper divisors (83892964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61163724 is a wasteful number, since it uses less digits than its factorization.
61163724 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83625 (or 83623 counting only the distinct ones).
The product of its digits is 6048, while the sum is 30.
The square root of 61163724 is about 7820.7240074049. The cubic root of 61163724 is about 394.0015889721.
The spelling of 61163724 in words is "sixty-one million, one hundred sixty-three thousand, seven hundred twenty-four".
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