Search a number
-
+
200387580 = 22354217933
BaseRepresentation
bin10111111000110…
…10101111111100
3111222001202002020
423330122233330
5402244400310
631515000140
74652160231
oct1374325774
9458052066
10200387580
11a3128178
1257139050
1332691843
141c883788
15128d4170
hexbf1abfc

200387580 has 48 divisors (see below), whose sum is σ = 562488864. Its totient is φ = 53303040.

The previous prime is 200387573. The next prime is 200387587. The reversal of 200387580 is 85783002.

It is an interprime number because it is at equal distance from previous prime (200387573) and next prime (200387587).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200387587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21294 + ... + 29226.

It is an arithmetic number, because the mean of its divisors is an integer number (11718518).

Almost surely, 2200387580 is an apocalyptic number.

200387580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200387580 is an abundant number, since it is smaller than the sum of its proper divisors (362101284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200387580 is a wasteful number, since it uses less digits than its factorization.

200387580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8366 (or 8364 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 200387580 is about 14155.8320136967. The cubic root of 200387580 is about 585.1810674806.

The spelling of 200387580 in words is "two hundred million, three hundred eighty-seven thousand, five hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 421 842 1263 1684 2105 2526 4210 5052 6315 7933 8420 12630 15866 23799 25260 31732 39665 47598 79330 95196 118995 158660 237990 475980 3339793 6679586 10019379 13359172 16698965 20038758 33397930 40077516 50096895 66795860 100193790 200387580