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199999528 = 2353471697
BaseRepresentation
bin10111110101111…
…00000000101000
3111221100000202221
423322330000220
5402144441103
631502403424
74645653001
oct1372740050
9457300687
10199999528
11a2992673
1256b90574
1332587021
141c7c21a8
15128591bd
hexbebc028

199999528 has 16 divisors (see below), whose sum is σ = 382075380. Its totient is φ = 98112768.

The previous prime is 199999483. The next prime is 199999589. The reversal of 199999528 is 825999991.

199999528 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 199996164 + 3364 = 14142^2 + 58^2 .

It is a super-2 number, since 2×1999995282 = 79999622400445568, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235425 + ... + 236272.

Almost surely, 2199999528 is an apocalyptic number.

It is an amenable number.

199999528 is a deficient number, since it is larger than the sum of its proper divisors (182075852).

199999528 is a wasteful number, since it uses less digits than its factorization.

199999528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471756 (or 471752 counting only the distinct ones).

The product of its digits is 4723920, while the sum is 61.

The square root of 199999528 is about 14142.1189360011. The cubic root of 199999528 is about 584.8030875968.

The spelling of 199999528 in words is "one hundred ninety-nine million, nine hundred ninety-nine thousand, five hundred twenty-eight".

Divisors: 1 2 4 8 53 106 212 424 471697 943394 1886788 3773576 24999941 49999882 99999764 199999528