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197200044 = 22325477779
BaseRepresentation
bin10111100000100…
…00100010101100
3111202001210121100
423300100202230
5400440400134
631322403100
74613113146
oct1360204254
9452053540
10197200044
11a1350348
1256060490
1331b16a22
141c293c96
15124a4999
hexbc108ac

197200044 has 18 divisors (see below), whose sum is σ = 498477980. Its totient is φ = 65733336.

The previous prime is 197200039. The next prime is 197200061. The reversal of 197200044 is 440002791.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 197199990 and 197200017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2738854 + ... + 2738925.

Almost surely, 2197200044 is an apocalyptic number.

It is an amenable number.

197200044 is an abundant number, since it is smaller than the sum of its proper divisors (301277936).

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

197200044 is a wasteful number, since it uses less digits than its factorization.

197200044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5477789 (or 5477784 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 197200044 is about 14042.7933118735. The cubic root of 197200044 is about 582.0616719994.

The spelling of 197200044 in words is "one hundred ninety-seven million, two hundred thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 5477779 10955558 16433337 21911116 32866674 49300011 65733348 98600022 197200044