Base | Representation |
---|---|
bin | 1000001011111… |
… | …01010000000111 |
3 | 11210012211011210 |
4 | 10011331100013 |
5 | 120034423341 |
6 | 10451502503 |
7 | 1462455312 |
oct | 405752007 |
9 | 153184153 |
10 | 68670471 |
11 | 35843161 |
12 | 1abb7a33 |
13 | 112c461c |
14 | 9197979 |
15 | 6066c16 |
hex | 417d407 |
68670471 has 16 divisors (see below), whose sum is σ = 92900864. Its totient is φ = 45114624.
The previous prime is 68670467. The next prime is 68670473. The reversal of 68670471 is 17407686.
It is not a de Polignac number, because 68670471 - 22 = 68670467 is a prime.
It is a super-3 number, since 3×686704713 (a number of 24 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68670473) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106476 + ... + 107118.
It is an arithmetic number, because the mean of its divisors is an integer number (5806304).
Almost surely, 268670471 is an apocalyptic number.
68670471 is a deficient number, since it is larger than the sum of its proper divisors (24230393).
68670471 is a wasteful number, since it uses less digits than its factorization.
68670471 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1110.
The product of its (nonzero) digits is 56448, while the sum is 39.
The square root of 68670471 is about 8286.7648090193. The cubic root of 68670471 is about 409.5026111966.
The spelling of 68670471 in words is "sixty-eight million, six hundred seventy thousand, four hundred seventy-one".
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