Base | Representation |
---|---|
bin | 10111100100010… |
… | …10101001010100 |
3 | 111210000012122220 |
4 | 23302022221110 |
5 | 401102401210 |
6 | 31341222340 |
7 | 4620265236 |
oct | 1362125124 |
9 | 453005586 |
10 | 197700180 |
11 | a1662087 |
12 | 562619b0 |
13 | 31c60572 |
14 | 1c384256 |
15 | 12552c70 |
hex | bc8aa54 |
197700180 has 48 divisors (see below), whose sum is σ = 577632384. Its totient is φ = 50427520.
The previous prime is 197700137. The next prime is 197700193. The reversal of 197700180 is 81007791.
197700180 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1977001802 = 78170722344064800, which contains 22 as substring.
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 15 ways as a sum of consecutive naturals, for example, 70251 + ... + 73010.
It is an arithmetic number, because the mean of its divisors is an integer number (12034008).
Almost surely, 2197700180 is an apocalyptic number.
197700180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
197700180 is an abundant number, since it is smaller than the sum of its proper divisors (379932204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
197700180 is a wasteful number, since it uses less digits than its factorization.
197700180 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 143296 (or 143294 counting only the distinct ones).
The product of its (nonzero) digits is 3528, while the sum is 33.
The square root of 197700180 is about 14060.5896035693. The cubic root of 197700180 is about 582.5533288192.
The spelling of 197700180 in words is "one hundred ninety-seven million, seven hundred thousand, one hundred eighty".
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