Base | Representation |
---|---|
bin | 1110100011010… |
… | …0001011111000 |
3 | 11020211201000100 |
4 | 3220310023320 |
5 | 111110444120 |
6 | 10020035400 |
7 | 1340520261 |
oct | 350641370 |
9 | 136751010 |
10 | 61031160 |
11 | 314a5683 |
12 | 18532b60 |
13 | c84b418 |
14 | 8169968 |
15 | 5558490 |
hex | 3a342f8 |
61031160 has 48 divisors (see below), whose sum is σ = 198352440. Its totient is φ = 16274880.
The previous prime is 61031153. The next prime is 61031183. The reversal of 61031160 is 6113016.
61031160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84406 + ... + 85125.
Almost surely, 261031160 is an apocalyptic number.
61031160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
61031160 is an abundant number, since it is smaller than the sum of its proper divisors (137321280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61031160 is a wasteful number, since it uses less digits than its factorization.
61031160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 169548 (or 169541 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
The square root of 61031160 is about 7812.2442358134. The cubic root of 61031160 is about 393.7167349071.
Adding to 61031160 its reverse (6113016), we get a palindrome (67144176).
The spelling of 61031160 in words is "sixty-one million, thirty-one thousand, one hundred sixty".
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