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197734988 = 221131144967
BaseRepresentation
bin10111100100100…
…11001001001100
3111210001222102002
423302103021030
5401110004423
631342051432
74620501563
oct1362231114
9453058362
10197734988
11a1686250
1256279b78
1331c73369
141c392bda
151255d228
hexbc9324c

197734988 has 24 divisors (see below), whose sum is σ = 389673984. Its totient is φ = 86979600.

The previous prime is 197734987. The next prime is 197734991. The reversal of 197734988 is 889437791.

197734988 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (197734987) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 71120 + ... + 73847.

It is an arithmetic number, because the mean of its divisors is an integer number (16236416).

Almost surely, 2197734988 is an apocalyptic number.

It is an amenable number.

197734988 is a deficient number, since it is larger than the sum of its proper divisors (191938996).

197734988 is a wasteful number, since it uses less digits than its factorization.

197734988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145013 (or 145011 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 56.

The square root of 197734988 is about 14061.8273350230. The cubic root of 197734988 is about 582.5875158162.

The spelling of 197734988 in words is "one hundred ninety-seven million, seven hundred thirty-four thousand, nine hundred eighty-eight".

Divisors: 1 2 4 11 22 31 44 62 124 341 682 1364 144967 289934 579868 1594637 3189274 4493977 6378548 8987954 17975908 49433747 98867494 197734988