Base | Representation |
---|---|
bin | 1110100111001… |
… | …1001011010110 |
3 | 11021022210221102 |
4 | 3221303023112 |
5 | 111142223144 |
6 | 10025350102 |
7 | 1342643432 |
oct | 351631326 |
9 | 137283842 |
10 | 61289174 |
11 | 31661511 |
12 | 18638332 |
13 | c90b9ab |
14 | 81d59c2 |
15 | 55a9b4e |
hex | 3a732d6 |
61289174 has 16 divisors (see below), whose sum is σ = 97666800. Its totient is φ = 28763424.
The previous prime is 61289149. The next prime is 61289177. The reversal of 61289174 is 47198216.
It is a Harshad number since it is a multiple of its sum of digits (38).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61289177) 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, 3257 + ... + 11540.
It is an arithmetic number, because the mean of its divisors is an integer number (6104175).
Almost surely, 261289174 is an apocalyptic number.
61289174 is a deficient number, since it is larger than the sum of its proper divisors (36377626).
61289174 is a wasteful number, since it uses less digits than its factorization.
61289174 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14927.
The product of its digits is 24192, while the sum is 38.
The square root of 61289174 is about 7828.7402562609. The cubic root of 61289174 is about 394.2707776445.
The spelling of 61289174 in words is "sixty-one million, two hundred eighty-nine thousand, one hundred seventy-four".
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