Base | Representation |
---|---|
bin | 1000000110100… |
… | …10001101001110 |
3 | 11201220020010121 |
4 | 10003102031032 |
5 | 114400013440 |
6 | 10424455154 |
7 | 1453506613 |
oct | 403221516 |
9 | 151806117 |
10 | 67969870 |
11 | 35404851 |
12 | 1a91a4ba |
13 | 1110a777 |
14 | 905450a |
15 | 5e7934a |
hex | 40d234e |
67969870 has 8 divisors (see below), whose sum is σ = 122345784. Its totient is φ = 27187944.
The previous prime is 67969831. The next prime is 67969871. The reversal of 67969870 is 7896976.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67969871) by changing a digit.
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, 3398484 + ... + 3398503.
It is an arithmetic number, because the mean of its divisors is an integer number (15293223).
Almost surely, 267969870 is an apocalyptic number.
67969870 is a deficient number, since it is larger than the sum of its proper divisors (54375914).
67969870 is a wasteful number, since it uses less digits than its factorization.
67969870 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6796994.
The product of its (nonzero) digits is 1143072, while the sum is 52.
The square root of 67969870 is about 8244.3841492255. The cubic root of 67969870 is about 408.1052168406.
The spelling of 67969870 in words is "sixty-seven million, nine hundred sixty-nine thousand, eight hundred seventy".
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