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200443430 = 251117372897
BaseRepresentation
bin10111111001010…
…00011000100110
3111222011120200202
423330220120212
5402303142210
631520110502
74652512115
oct1374503046
9458146622
10200443430
11a3166130
1257165432
13326b10a5
141c899c7c
15128e59a5
hexbf28626

200443430 has 64 divisors (see below), whose sum is σ = 428162112. Its totient is φ = 66723840.

The previous prime is 200443429. The next prime is 200443457. The reversal of 200443430 is 34344002.

It is a happy number.

200443430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67742 + ... + 70638.

It is an arithmetic number, because the mean of its divisors is an integer number (6690033).

Almost surely, 2200443430 is an apocalyptic number.

200443430 is an abundant number, since it is smaller than the sum of its proper divisors (227718682).

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

200443430 is a wasteful number, since it uses less digits than its factorization.

200443430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2969.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 200443430 is about 14157.8045614424. The cubic root of 200443430 is about 585.2354276806.

Adding to 200443430 its reverse (34344002), we get a palindrome (234787432).

The spelling of 200443430 in words is "two hundred million, four hundred forty-three thousand, four hundred thirty".

Divisors: 1 2 5 10 11 17 22 34 37 55 74 85 110 170 185 187 370 374 407 629 814 935 1258 1870 2035 2897 3145 4070 5794 6290 6919 13838 14485 28970 31867 34595 49249 63734 69190 98498 107189 159335 214378 246245 318670 492490 535945 541739 1071890 1083478 1179079 1822213 2358158 2708695 3644426 5417390 5895395 9111065 11790790 18222130 20044343 40088686 100221715 200443430