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199430884 = 222323072
BaseRepresentation
bin10111110001100…
…01001011100100
3111220021010202001
423320301023210
5402023242014
631442255044
74641064102
oct1370611344
9456233661
10199430884
11a2634414
1256957484
1332418253
141c6b4c72
1512795974
hexbe312e4

199430884 has 27 divisors (see below), whose sum is σ = 366030147. Its totient is φ = 95069304.

The previous prime is 199430879. The next prime is 199430939. The reversal of 199430884 is 488034991.

The square root of 199430884 is 14122.

It is a perfect power (a square), and thus also a powerful number.

199430884 is digitally balanced in base 2, 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 (46).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 649459 + ... + 649765.

Almost surely, 2199430884 is an apocalyptic number.

199430884 is the 14122-nd square number.

It is an amenable number.

199430884 is a deficient number, since it is larger than the sum of its proper divisors (166599263).

199430884 is an equidigital number, since it uses as much as digits as its factorization.

199430884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The cubic root of 199430884 is about 584.2483189001.

The spelling of 199430884 in words is "one hundred ninety-nine million, four hundred thirty thousand, eight hundred eighty-four".

Divisors: 1 2 4 23 46 92 307 529 614 1058 1228 2116 7061 14122 28244 94249 162403 188498 324806 376996 649612 2167727 4335454 8670908 49857721 99715442 199430884