Base | Representation |
---|---|
bin | 10111000101000… |
… | …011010000001010 |
3 | 222222120210120010 |
4 | 113011003100022 |
5 | 1243110400020 |
6 | 102231012350 |
7 | 12411101001 |
oct | 2705032012 |
9 | 888523503 |
10 | 387200010 |
11 | 18962310a |
12 | a980a0b6 |
13 | 622ac442 |
14 | 395d1c38 |
15 | 23ed5de0 |
hex | 1714340a |
387200010 has 16 divisors (see below), whose sum is σ = 929280096. Its totient is φ = 103253328.
The previous prime is 387199997. The next prime is 387200017. The reversal of 387200010 is 10002783.
387200010 = 87982 + 87992 + ... + 88022.
It is a self number, because there is not a number n which added to its sum of digits gives 387200010.
It is not an unprimeable number, because it can be changed into a prime (387200017) 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 7 ways as a sum of consecutive naturals, for example, 6453304 + ... + 6453363.
It is an arithmetic number, because the mean of its divisors is an integer number (58080006).
Almost surely, 2387200010 is an apocalyptic number.
387200010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
387200010 is an abundant number, since it is smaller than the sum of its proper divisors (542080086).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
387200010 is a wasteful number, since it uses less digits than its factorization.
387200010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12906677.
The product of its (nonzero) digits is 336, while the sum is 21.
The square root of 387200010 is about 19677.3984560968. The cubic root of 387200010 is about 728.8616837130.
Adding to 387200010 its reverse (10002783), we get a palindrome (397202793).
The spelling of 387200010 in words is "three hundred eighty-seven million, two hundred thousand, ten".
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