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197331132 = 22322971809
BaseRepresentation
bin10111100001100…
…00100010111100
3111202022110102110
423300300202330
5401004044012
631325254020
74614200265
oct1360604274
9452273373
10197331132
11a142a889
1256104310
1331b615ab
141c2c996c
15124cd73c
hexbc308bc

197331132 has 24 divisors (see below), whose sum is σ = 462456400. Its totient is φ = 65488896.

The previous prime is 197331119. The next prime is 197331143. The reversal of 197331132 is 231133791.

It is a self number, because there is not a number n which added to its sum of digits gives 197331132.

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 7 ways as a sum of consecutive naturals, for example, 33157 + ... + 38652.

Almost surely, 2197331132 is an apocalyptic number.

197331132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

197331132 is an abundant number, since it is smaller than the sum of its proper divisors (265125268).

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

197331132 is a wasteful number, since it uses less digits than its factorization.

197331132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72045 (or 72043 counting only the distinct ones).

The product of its digits is 3402, while the sum is 30.

The square root of 197331132 is about 14047.4599839259. The cubic root of 197331132 is about 582.1906178795.

The spelling of 197331132 in words is "one hundred ninety-seven million, three hundred thirty-one thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 229 458 687 916 1374 2748 71809 143618 215427 287236 430854 861708 16444261 32888522 49332783 65777044 98665566 197331132