Base | Representation |
---|---|
bin | 1000100010111… |
… | …00111111010110 |
3 | 11222212221000222 |
4 | 10101130333112 |
5 | 121322342204 |
6 | 11040234342 |
7 | 1530206261 |
oct | 421347726 |
9 | 158787028 |
10 | 71684054 |
11 | 37511322 |
12 | 2000b9b2 |
13 | 11b0b200 |
14 | 973dcd8 |
15 | 645eabe |
hex | 445cfd6 |
71684054 has 24 divisors (see below), whose sum is σ = 121509072. Its totient is φ = 31643040.
The previous prime is 71684051. The next prime is 71684057. The reversal of 71684054 is 45048617.
It is an interprime number because it is at equal distance from previous prime (71684051) and next prime (71684057).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71684051) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3164 + ... + 12384.
It is an arithmetic number, because the mean of its divisors is an integer number (5062878).
Almost surely, 271684054 is an apocalyptic number.
71684054 is a deficient number, since it is larger than the sum of its proper divisors (49825018).
71684054 is a wasteful number, since it uses less digits than its factorization.
71684054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9272 (or 9259 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 35.
The square root of 71684054 is about 8466.6436088925. The cubic root of 71684054 is about 415.4073592397.
The spelling of 71684054 in words is "seventy-one million, six hundred eighty-four thousand, fifty-four".
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