Base | Representation |
---|---|
bin | 10111111000110… |
… | …10101111000000 |
3 | 111222001202000000 |
4 | 23330122233000 |
5 | 402244400040 |
6 | 31515000000 |
7 | 4652160114 |
oct | 1374325700 |
9 | 458052000 |
10 | 200387520 |
11 | a3128123 |
12 | 57139000 |
13 | 326917c8 |
14 | 1c883744 |
15 | 128d4130 |
hex | bf1abc0 |
200387520 has 196 divisors, whose sum is σ = 716264760. Its totient is φ = 53374464.
The previous prime is 200387519. The next prime is 200387521. The reversal of 200387520 is 25783002.
It is an interprime number because it is at equal distance from previous prime (200387519) and next prime (200387521).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (200387521) by changing a digit.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 232851 + ... + 233709.
Almost surely, 2200387520 is an apocalyptic number.
200387520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 200387520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358132380).
200387520 is an abundant number, since it is smaller than the sum of its proper divisors (515877240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
200387520 is an frugal number, since it uses more digits than its factorization.
200387520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 894 (or 869 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 27.
The square root of 200387520 is about 14155.8298944287. The cubic root of 200387520 is about 585.1810090757.
The spelling of 200387520 in words is "two hundred million, three hundred eighty-seven thousand, five hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •