Base | Representation |
---|---|
bin | 1000000110100… |
… | …10110110000110 |
3 | 11201220100201111 |
4 | 10003102312012 |
5 | 114400104421 |
6 | 10424515234 |
7 | 1453520341 |
oct | 403226606 |
9 | 151810644 |
10 | 67972486 |
11 | 3540680a |
12 | 1a91bb1a |
13 | 1110ba0a |
14 | 9055458 |
15 | 5e79ee1 |
hex | 40d2d86 |
67972486 has 8 divisors (see below), whose sum is σ = 102476880. Its totient is φ = 33813528.
The previous prime is 67972453. The next prime is 67972493. The reversal of 67972486 is 68427976.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85866 + ... + 86653.
It is an arithmetic number, because the mean of its divisors is an integer number (12809610).
Almost surely, 267972486 is an apocalyptic number.
67972486 is a deficient number, since it is larger than the sum of its proper divisors (34504394).
67972486 is a wasteful number, since it uses less digits than its factorization.
67972486 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 172718.
The product of its digits is 1016064, while the sum is 49.
The square root of 67972486 is about 8244.5428011503. The cubic root of 67972486 is about 408.1104524425.
The spelling of 67972486 in words is "sixty-seven million, nine hundred seventy-two thousand, four hundred eighty-six".
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