Base | Representation |
---|---|
bin | 1000000010110… |
… | …11111111111010 |
3 | 11200222121222000 |
4 | 10001123333322 |
5 | 114234020230 |
6 | 10410241430 |
7 | 1446422166 |
oct | 401337772 |
9 | 150877860 |
10 | 67485690 |
11 | 35103aa8 |
12 | 1a726276 |
13 | 10c9b27c |
14 | 8d69ca6 |
15 | 5dd0b60 |
hex | 405bffa |
67485690 has 32 divisors (see below), whose sum is σ = 179962560. Its totient is φ = 17996112.
The previous prime is 67485679. The next prime is 67485707. The reversal of 67485690 is 9658476.
It is a super-2 number, since 2×674856902 = 9108636709552200, which contains 22 as substring.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124704 + ... + 125243.
It is an arithmetic number, because the mean of its divisors is an integer number (5623830).
Almost surely, 267485690 is an apocalyptic number.
67485690 is an abundant number, since it is smaller than the sum of its proper divisors (112476870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67485690 is a wasteful number, since it uses less digits than its factorization.
67485690 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 249963 (or 249957 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 45.
The square root of 67485690 is about 8214.9674375496. The cubic root of 67485690 is about 407.1338676290.
It can be divided in two parts, 6 and 7485690, that added together give a square (7485696 = 27362).
The spelling of 67485690 in words is "sixty-seven million, four hundred eighty-five thousand, six hundred ninety".
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