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197488108 = 22419117833
BaseRepresentation
bin10111100010101…
…10110111101100
3111202121102202101
423301112313230
5401024104413
631332504444
74615423036
oct1361266754
9452542671
10197488108
11a1527814
125617b124
1331bb7b8c
141c32ac56
151250eedd
hexbc56dec

197488108 has 12 divisors (see below), whose sum is σ = 346431960. Its totient is φ = 98507552.

The previous prime is 197488091. The next prime is 197488111. The reversal of 197488108 is 801884791.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 57241 + ... + 60592.

It is an arithmetic number, because the mean of its divisors is an integer number (28869330).

Almost surely, 2197488108 is an apocalyptic number.

It is an amenable number.

197488108 is a deficient number, since it is larger than the sum of its proper divisors (148943852).

197488108 is a wasteful number, since it uses less digits than its factorization.

197488108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118256 (or 118254 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 46.

The square root of 197488108 is about 14053.0462178134. The cubic root of 197488108 is about 582.3449536075.

The spelling of 197488108 in words is "one hundred ninety-seven million, four hundred eighty-eight thousand, one hundred eight".

Divisors: 1 2 4 419 838 1676 117833 235666 471332 49372027 98744054 197488108