Base | Representation |
---|---|
bin | 10111100010110… |
… | …11010001011101 |
3 | 111202122100111021 |
4 | 23301123101131 |
5 | 401030144031 |
6 | 31333124141 |
7 | 4615526440 |
oct | 1361332135 |
9 | 452570437 |
10 | 197506141 |
11 | a153a318 |
12 | 56189651 |
13 | 31bc3151 |
14 | 1c333657 |
15 | 12515511 |
hex | bc5b45d |
197506141 has 4 divisors (see below), whose sum is σ = 225721312. Its totient is φ = 169290972.
The previous prime is 197506123. The next prime is 197506163. The reversal of 197506141 is 141605791.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 141605791 = 4861 ⋅29131.
It is a cyclic number.
It is not a de Polignac number, because 197506141 - 25 = 197506109 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 197506097 and 197506106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (197506541) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14107575 + ... + 14107588.
It is an arithmetic number, because the mean of its divisors is an integer number (56430328).
Almost surely, 2197506141 is an apocalyptic number.
It is an amenable number.
197506141 is a deficient number, since it is larger than the sum of its proper divisors (28215171).
197506141 is an equidigital number, since it uses as much as digits as its factorization.
197506141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28215170.
The product of its (nonzero) digits is 7560, while the sum is 34.
The square root of 197506141 is about 14053.6878078318. The cubic root of 197506141 is about 582.3626780619.
The spelling of 197506141 in words is "one hundred ninety-seven million, five hundred six thousand, one hundred forty-one".
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