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200384380 = 22571431317
BaseRepresentation
bin10111111000110…
…01111101111100
3111222001120200201
423330121331330
5402244300010
631514533244
74652145010
oct1374317574
9458046621
10200384380
11a3125829
1257137224
1332690251
141c882540
15128d323a
hexbf19f7c

200384380 has 24 divisors (see below), whose sum is σ = 480922848. Its totient is φ = 68703168.

The previous prime is 200384347. The next prime is 200384407. The reversal of 200384380 is 83483002.

200384380 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 715519 + ... + 715798.

It is an arithmetic number, because the mean of its divisors is an integer number (20038452).

Almost surely, 2200384380 is an apocalyptic number.

200384380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200384380 is an abundant number, since it is smaller than the sum of its proper divisors (280538468).

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

200384380 is a wasteful number, since it uses less digits than its factorization.

200384380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431333 (or 1431331 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 200384380 is about 14155.7189856256. The cubic root of 200384380 is about 585.1779525347.

The spelling of 200384380 in words is "two hundred million, three hundred eighty-four thousand, three hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 1431317 2862634 5725268 7156585 10019219 14313170 20038438 28626340 40076876 50096095 100192190 200384380