Base | Representation |
---|---|
bin | 111011001010… |
… | …1111111011000 |
3 | 2011101010122101 |
4 | 1312111333120 |
5 | 30420214224 |
6 | 3024533144 |
7 | 524456152 |
oct | 166257730 |
9 | 64333571 |
10 | 31023064 |
11 | 1656a0a6 |
12 | a4811b4 |
13 | 6572857 |
14 | 4197ad2 |
15 | 2acc044 |
hex | 1d95fd8 |
31023064 has 16 divisors (see below), whose sum is σ = 60045120. Its totient is φ = 15011040.
The previous prime is 31023061. The next prime is 31023071. The reversal of 31023064 is 46032013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31023061) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62299 + ... + 62794.
It is an arithmetic number, because the mean of its divisors is an integer number (3752820).
Almost surely, 231023064 is an apocalyptic number.
It is an amenable number.
31023064 is a deficient number, since it is larger than the sum of its proper divisors (29022056).
31023064 is a wasteful number, since it uses less digits than its factorization.
31023064 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 125130 (or 125126 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 19.
The square root of 31023064 is about 5569.8351860715. The cubic root of 31023064 is about 314.2159521666.
Adding to 31023064 its reverse (46032013), we get a palindrome (77055077).
The spelling of 31023064 in words is "thirty-one million, twenty-three thousand, sixty-four".
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