Base | Representation |
---|---|
bin | 1011111111001000110101 |
3 | 12220122021200 |
4 | 23333020311 |
5 | 1301022242 |
6 | 151203113 |
7 | 35464632 |
oct | 13771065 |
9 | 5818250 |
10 | 3142197 |
11 | 1856863 |
12 | 1076499 |
13 | 8602b6 |
14 | 5bb189 |
15 | 42104c |
hex | 2ff235 |
3142197 has 6 divisors (see below), whose sum is σ = 4538742. Its totient is φ = 2094792.
The previous prime is 3142193. The next prime is 3142219. The reversal of 3142197 is 7912413.
It can be written as a sum of positive squares in only one way, i.e., 1962801 + 1179396 = 1401^2 + 1086^2 .
It is not a de Polignac number, because 3142197 - 22 = 3142193 is a prime.
3142197 is a lucky number.
It is a self number, because there is not a number n which added to its sum of digits gives 3142197.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3142193) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 174558 + ... + 174575.
It is an arithmetic number, because the mean of its divisors is an integer number (756457).
Almost surely, 23142197 is an apocalyptic number.
It is an amenable number.
3142197 is a deficient number, since it is larger than the sum of its proper divisors (1396545).
3142197 is a wasteful number, since it uses less digits than its factorization.
3142197 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 349139 (or 349136 counting only the distinct ones).
The product of its digits is 1512, while the sum is 27.
The square root of 3142197 is about 1772.6243256821. The cubic root of 3142197 is about 146.4685795779.
The spelling of 3142197 in words is "three million, one hundred forty-two thousand, one hundred ninety-seven".
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