Base | Representation |
---|---|
bin | 10011001111100… |
… | …10001011001011 |
3 | 102020202012012110 |
4 | 21213302023023 |
5 | 312311032300 |
6 | 24003513403 |
7 | 4000040061 |
oct | 1147621313 |
9 | 366665173 |
10 | 161424075 |
11 | 8313532a |
12 | 46088863 |
13 | 2759ba07 |
14 | 17620031 |
15 | e289550 |
hex | 99f22cb |
161424075 has 12 divisors (see below), whose sum is σ = 266887928. Its totient is φ = 86092800.
The previous prime is 161424041. The next prime is 161424079. The reversal of 161424075 is 570424161.
It is not a de Polignac number, because 161424075 - 213 = 161415883 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (161424079) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1076086 + ... + 1076235.
Almost surely, 2161424075 is an apocalyptic number.
161424075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
161424075 is a deficient number, since it is larger than the sum of its proper divisors (105463853).
161424075 is a wasteful number, since it uses less digits than its factorization.
161424075 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2152334 (or 2152329 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 30.
The square root of 161424075 is about 12705.2774467935. The cubic root of 161424075 is about 544.4894076044.
The spelling of 161424075 in words is "one hundred sixty-one million, four hundred twenty-four thousand, seventy-five".
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