Base | Representation |
---|---|
bin | 10111110001111… |
… | …10111110010000 |
3 | 111220101000020100 |
4 | 23320332332100 |
5 | 402032044001 |
6 | 31443412400 |
7 | 4641420564 |
oct | 1370767620 |
9 | 456330210 |
10 | 199487376 |
11 | a2672900 |
12 | 56984100 |
13 | 32437b8a |
14 | 1c6cb6a4 |
15 | 127a7586 |
hex | be3ef90 |
199487376 has 135 divisors (see below), whose sum is σ = 619443643. Its totient is φ = 59885760.
The previous prime is 199487371. The next prime is 199487381. The reversal of 199487376 is 673784991.
It is a happy number.
The square root of 199487376 is 14124.
It is a perfect power (a square), and thus also a powerful number.
199487376 is a `hidden beast` number, since 1 + 99 + 487 + 3 + 76 = 666.
It is an interprime number because it is at equal distance from previous prime (199487371) and next prime (199487381).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (199487371) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1864315 + ... + 1864421.
Almost surely, 2199487376 is an apocalyptic number.
199487376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
199487376 is the 14124-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 199487376
199487376 is an abundant number, since it is smaller than the sum of its proper divisors (419956267).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
199487376 is a wasteful number, since it uses less digits than its factorization.
199487376 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 250 (or 123 counting only the distinct ones).
The product of its digits is 2286144, while the sum is 54.
The cubic root of 199487376 is about 584.3034795978.
Multiplying 199487376 by its product of digits (2286144), we get a square (456056867718144 = 213554882).
The spelling of 199487376 in words is "one hundred ninety-nine million, four hundred eighty-seven thousand, three hundred seventy-six".
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