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197468838 = 23271792189
BaseRepresentation
bin10111100010100…
…10001010100110
3111202120110022200
423301102022212
5401023000323
631332235330
74615312620
oct1361221246
9452513280
10197468838
11a1514296
125616bb46
1331bac188
141c323c10
1512509443
hexbc522a6

197468838 has 48 divisors (see below), whose sum is σ = 517739040. Its totient is φ = 53100288.

The previous prime is 197468827. The next prime is 197468863. The reversal of 197468838 is 838864791.

197468838 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 43953 + ... + 48236.

It is an arithmetic number, because the mean of its divisors is an integer number (10786230).

Almost surely, 2197468838 is an apocalyptic number.

197468838 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

197468838 is an abundant number, since it is smaller than the sum of its proper divisors (320270202).

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

197468838 is a wasteful number, since it uses less digits than its factorization.

197468838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92221 (or 92218 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 197468838 is about 14052.3605846135. The cubic root of 197468838 is about 582.3260121256.

The spelling of 197468838 in words is "one hundred ninety-seven million, four hundred sixty-eight thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 7 9 14 17 18 21 34 42 51 63 102 119 126 153 238 306 357 714 1071 2142 92189 184378 276567 553134 645323 829701 1290646 1567213 1659402 1935969 3134426 3871938 4701639 5807907 9403278 10970491 11615814 14104917 21940982 28209834 32911473 65822946 98734419 197468838