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197136852 = 223111493461
BaseRepresentation
bin10111100000000…
…01000111010100
3111201221120220220
423300001013110
5400431334402
631321154340
74612431003
oct1360010724
9451846826
10197136852
11a1307920
125602b9b0
1331ac4033
141c278c3a
1512490dbc
hexbc011d4

197136852 has 24 divisors (see below), whose sum is σ = 501803232. Its totient is φ = 59738400.

The previous prime is 197136833. The next prime is 197136859. The reversal of 197136852 is 258631791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197136859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 746599 + ... + 746862.

It is an arithmetic number, because the mean of its divisors is an integer number (20908468).

Almost surely, 2197136852 is an apocalyptic number.

197136852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

197136852 is an abundant number, since it is smaller than the sum of its proper divisors (304666380).

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

197136852 is a wasteful number, since it uses less digits than its factorization.

197136852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493479 (or 1493477 counting only the distinct ones).

The product of its digits is 90720, while the sum is 42.

The square root of 197136852 is about 14040.5431518870. The cubic root of 197136852 is about 581.9994922115. Note that the first 3 decimals are identical.

It can be divided in two parts, 19713 and 6852, that added together give a triangular number (26565 = T230).

The spelling of 197136852 in words is "one hundred ninety-seven million, one hundred thirty-six thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 1493461 2986922 4480383 5973844 8960766 16428071 17921532 32856142 49284213 65712284 98568426 197136852