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197022039 = 31919118097
BaseRepresentation
bin10111011111001…
…01000101010111
3111201201202102120
423233211011113
5400414201124
631314511023
74611442164
oct1357450527
9451652376
10197022039
11a1239635
1255b95473
1331a839b6
141c24906b
151246bd79
hexbbe5157

197022039 has 16 divisors (see below), whose sum is σ = 277985280. Its totient is φ = 123776640.

The previous prime is 197022031. The next prime is 197022043. The reversal of 197022039 is 930220791.

It is not a de Polignac number, because 197022039 - 23 = 197022031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197022031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1839 + ... + 19935.

It is an arithmetic number, because the mean of its divisors is an integer number (17374080).

Almost surely, 2197022039 is an apocalyptic number.

197022039 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

197022039 is a deficient number, since it is larger than the sum of its proper divisors (80963241).

197022039 is a wasteful number, since it uses less digits than its factorization.

197022039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18310.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 197022039 is about 14036.4539325287. The cubic root of 197022039 is about 581.8864842791.

The spelling of 197022039 in words is "one hundred ninety-seven million, twenty-two thousand, thirty-nine".

Divisors: 1 3 19 57 191 573 3629 10887 18097 54291 343843 1031529 3456527 10369581 65674013 197022039