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200043220 = 225134911567
BaseRepresentation
bin10111110110001…
…10101011010100
3111221102020201011
423323012223110
5402202340340
631503342004
74646224246
oct1373065324
9457366634
10200043220
11a2a12483
1256bb1904
13325a0b90
141c7d4096
15128670ea
hexbec6ad4

200043220 has 48 divisors (see below), whose sum is σ = 453616128. Its totient is φ = 73664640.

The previous prime is 200043209. The next prime is 200043227. The reversal of 200043220 is 22340002.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 200043220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200043227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126877 + ... + 128443.

It is an arithmetic number, because the mean of its divisors is an integer number (9450336).

Almost surely, 2200043220 is an apocalyptic number.

200043220 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 200043220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226808064).

200043220 is an abundant number, since it is smaller than the sum of its proper divisors (253572908).

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

200043220 is a wasteful number, since it uses less digits than its factorization.

200043220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080 (or 2078 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 200043220 is about 14143.6635989407. The cubic root of 200043220 is about 584.8456699574.

Adding to 200043220 its reverse (22340002), we get a palindrome (222383222).

The spelling of 200043220 in words is "two hundred million, forty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 491 982 1567 1964 2455 3134 4910 6268 6383 7835 9820 12766 15670 20371 25532 31340 31915 40742 63830 81484 101855 127660 203710 407420 769397 1538794 3077588 3846985 7693970 10002161 15387940 20004322 40008644 50010805 100021610 200043220