Base | Representation |
---|---|
bin | 10111100000000… |
… | …11001110100000 |
3 | 111201222000210100 |
4 | 23300003032200 |
5 | 400432124004 |
6 | 31321302400 |
7 | 4612465143 |
oct | 1360031640 |
9 | 451860710 |
10 | 197145504 |
11 | a1313376 |
12 | 56034a00 |
13 | 31ac7c5a |
14 | 1c27c05a |
15 | 12493739 |
hex | bc033a0 |
197145504 has 72 divisors (see below), whose sum is σ = 564127200. Its totient is φ = 65305728.
The previous prime is 197145469. The next prime is 197145517. The reversal of 197145504 is 405541791.
197145504 is a `hidden beast` number, since 1 + 9 + 7 + 145 + 504 = 666.
It is a tau number, because it is divible by the number of its divisors (72).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 46047 + ... + 50145.
It is an arithmetic number, because the mean of its divisors is an integer number (7835100).
Almost surely, 2197145504 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 197145504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282063600).
197145504 is an abundant number, since it is smaller than the sum of its proper divisors (366981696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
197145504 is a wasteful number, since it uses less digits than its factorization.
197145504 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4282 (or 4271 counting only the distinct ones).
The product of its (nonzero) digits is 25200, while the sum is 36.
The square root of 197145504 is about 14040.8512562451. The cubic root of 197145504 is about 582.0080064084.
The spelling of 197145504 in words is "one hundred ninety-seven million, one hundred forty-five thousand, five hundred four".
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