Base | Representation |
---|---|
bin | 1000000110101… |
… | …10101001010101 |
3 | 11201221011002001 |
4 | 10003112221111 |
5 | 114401104203 |
6 | 10425115301 |
7 | 1453613620 |
oct | 403265125 |
9 | 151834061 |
10 | 67988053 |
11 | 35417481 |
12 | 1a928b31 |
13 | 11115b23 |
14 | 905adb7 |
15 | 5e7e91d |
hex | 40d6a55 |
67988053 has 16 divisors (see below), whose sum is σ = 80871424. Its totient is φ = 55928880.
The previous prime is 67988051. The next prime is 67988071. The reversal of 67988053 is 35088976.
It is not a de Polignac number, because 67988053 - 21 = 67988051 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 67987994 and 67988012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67988051) 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, 26326 + ... + 28792.
It is an arithmetic number, because the mean of its divisors is an integer number (5054464).
Almost surely, 267988053 is an apocalyptic number.
It is an amenable number.
67988053 is a deficient number, since it is larger than the sum of its proper divisors (12883371).
67988053 is a wasteful number, since it uses less digits than its factorization.
67988053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2632.
The product of its (nonzero) digits is 362880, while the sum is 46.
The square root of 67988053 is about 8245.4868261371. The cubic root of 67988053 is about 408.1416050988.
The spelling of 67988053 in words is "sixty-seven million, nine hundred eighty-eight thousand, fifty-three".
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