Base | Representation |
---|---|
bin | 1000000011000… |
… | …11001001000000 |
3 | 11201001010002111 |
4 | 10001203021000 |
5 | 114240434234 |
6 | 10411025104 |
7 | 1446603400 |
oct | 401431100 |
9 | 151033074 |
10 | 67514944 |
11 | 35123a82 |
12 | 1a73b194 |
13 | 10cab693 |
14 | 8d76800 |
15 | 5dd9664 |
hex | 4063240 |
67514944 has 42 divisors (see below), whose sum is σ = 155855670. Its totient is φ = 28933632.
The previous prime is 67514933. The next prime is 67514947. The reversal of 67514944 is 44941576.
It can be written as a sum of positive squares in only one way, i.e., 47444544 + 20070400 = 6888^2 + 4480^2 .
It is a junction number, because it is equal to n+sod(n) for n = 67514897 and 67514906.
It is not an unprimeable number, because it can be changed into a prime (67514947) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7629 + ... + 13900.
Almost surely, 267514944 is an apocalyptic number.
67514944 is a gapful number since it is divisible by the number (64) formed by its first and last digit.
It is an amenable number.
67514944 is an abundant number, since it is smaller than the sum of its proper divisors (88340726).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67514944 is a wasteful number, since it uses less digits than its factorization.
67514944 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21555 (or 21538 counting only the distinct ones).
The product of its digits is 120960, while the sum is 40.
The square root of 67514944 is about 8216.7477751237. The cubic root of 67514944 is about 407.1926878697.
The spelling of 67514944 in words is "sixty-seven million, five hundred fourteen thousand, nine hundred forty-four".
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