Base | Representation |
---|---|
bin | 100000000100011… |
… | …000100010000010 |
3 | 1101111101020122120 |
4 | 200010120202002 |
5 | 2100213114340 |
6 | 125215345110 |
7 | 16222044225 |
oct | 4004304202 |
9 | 1344336576 |
10 | 538019970 |
11 | 256775404 |
12 | 130222196 |
13 | 87607617 |
14 | 516515bc |
15 | 323784d0 |
hex | 20118882 |
538019970 has 16 divisors (see below), whose sum is σ = 1291248000. Its totient is φ = 143471984.
The previous prime is 538019969. The next prime is 538019971. The reversal of 538019970 is 79910835.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (538019969) and next prime (538019971).
It is not an unprimeable number, because it can be changed into a prime (538019971) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8966970 + ... + 8967029.
It is an arithmetic number, because the mean of its divisors is an integer number (80703000).
Almost surely, 2538019970 is an apocalyptic number.
538019970 is an abundant number, since it is smaller than the sum of its proper divisors (753228030).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
538019970 is a wasteful number, since it uses less digits than its factorization.
538019970 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17934009.
The product of its (nonzero) digits is 68040, while the sum is 42.
The square root of 538019970 is about 23195.2574894093. The cubic root of 538019970 is about 813.3287644567.
The spelling of 538019970 in words is "five hundred thirty-eight million, nineteen thousand, nine hundred seventy".
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