Base | Representation |
---|---|
bin | 1100000011101111000001 |
3 | 12221121010000 |
4 | 30003233001 |
5 | 1302123100 |
6 | 151430213 |
7 | 35603550 |
oct | 14035701 |
9 | 5847100 |
10 | 3161025 |
11 | 1869a1a |
12 | 1085369 |
13 | 868a3a |
14 | 5c3d97 |
15 | 426900 |
hex | 303bc1 |
3161025 has 60 divisors (see below), whose sum is σ = 6721792. Its totient is φ = 1438560.
The previous prime is 3161023. The next prime is 3161057. The reversal of 3161025 is 5201613.
3161025 is a `hidden beast` number, since 31 + 610 + 25 = 666.
It is not a de Polignac number, because 3161025 - 21 = 3161023 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 3160989 and 3161007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3161023) by changing a digit.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 14064 + ... + 14286.
Almost surely, 23161025 is an apocalyptic number.
3161025 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
3161025 is an abundant number, since it is smaller than the sum of its proper divisors (3560767).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3161025 is a wasteful number, since it uses less digits than its factorization.
3161025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 252 (or 238 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
The square root of 3161025 is about 1777.9271638625. The cubic root of 3161025 is about 146.7605430910.
Adding to 3161025 its reverse (5201613), we get a palindrome (8362638).
It can be divided in two parts, 3 and 161025, that added together give a triangular number (161028 = T567).
The spelling of 3161025 in words is "three million, one hundred sixty-one thousand, twenty-five".
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