Base | Representation |
---|---|
bin | 1000010110001… |
… | …10110001011110 |
3 | 11212202101122101 |
4 | 10023012301132 |
5 | 120411121230 |
6 | 10540435314 |
7 | 1510106332 |
oct | 413066136 |
9 | 155671571 |
10 | 70020190 |
11 | 36585229 |
12 | 1b548b3a |
13 | 11677a86 |
14 | 94297c2 |
15 | 6231aca |
hex | 42c6c5e |
70020190 has 8 divisors (see below), whose sum is σ = 126036360. Its totient is φ = 28008072.
The previous prime is 70020163. The next prime is 70020191. The reversal of 70020190 is 9102007.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×700201902 = 9805654015272200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70020191) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3501000 + ... + 3501019.
It is an arithmetic number, because the mean of its divisors is an integer number (15754545).
Almost surely, 270020190 is an apocalyptic number.
70020190 is a deficient number, since it is larger than the sum of its proper divisors (56016170).
70020190 is a wasteful number, since it uses less digits than its factorization.
70020190 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7002026.
The product of its (nonzero) digits is 126, while the sum is 19.
The square root of 70020190 is about 8367.8067616312. The cubic root of 70020190 is about 412.1681493864.
Adding to 70020190 its reverse (9102007), we get a palindrome (79122197).
The spelling of 70020190 in words is "seventy million, twenty thousand, one hundred ninety".
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