Base | Representation |
---|---|
bin | 1000000010110… |
… | …10100111000000 |
3 | 11200222100011021 |
4 | 10001122213000 |
5 | 114233330000 |
6 | 10410155224 |
7 | 1446366460 |
oct | 401324700 |
9 | 150870137 |
10 | 67480000 |
11 | 350aa7a5 |
12 | 1a722b14 |
13 | 10c987c3 |
14 | 8d67ba0 |
15 | 5dce11a |
hex | 405a9c0 |
67480000 has 140 divisors (see below), whose sum is σ = 192026032. Its totient is φ = 23040000.
The previous prime is 67479967. The next prime is 67480009. The reversal of 67480000 is 8476.
It is a tau number, because it is divible by the number of its divisors (140).
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67480009) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 279880 + ... + 280120.
Almost surely, 267480000 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 67480000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96013016).
67480000 is an abundant number, since it is smaller than the sum of its proper divisors (124546032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67480000 is an equidigital number, since it uses as much as digits as its factorization.
67480000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 280 (or 255 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 25.
The square root of 67480000 is about 8214.6211111651. The cubic root of 67480000 is about 407.1224249225.
Adding to 67480000 its reverse (8476), we get a palindrome (67488476).
The spelling of 67480000 in words is "sixty-seven million, four hundred eighty thousand".
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