Base | Representation |
---|---|
bin | 10011010011111… |
… | …01101000110010 |
3 | 102021211012210110 |
4 | 21221331220302 |
5 | 312432322224 |
6 | 24024042150 |
7 | 4004636355 |
oct | 1151755062 |
9 | 367735713 |
10 | 161995314 |
11 | 83495528 |
12 | 46303356 |
13 | 2773ba20 |
14 | 1772c29c |
15 | e34d929 |
hex | 9a7da32 |
161995314 has 32 divisors (see below), whose sum is σ = 352384704. Its totient is φ = 49348800.
The previous prime is 161995307. The next prime is 161995373. The reversal of 161995314 is 413599161.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2404 + ... + 18159.
It is an arithmetic number, because the mean of its divisors is an integer number (11012022).
Almost surely, 2161995314 is an apocalyptic number.
161995314 is an abundant number, since it is smaller than the sum of its proper divisors (190389390).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
161995314 is a wasteful number, since it uses less digits than its factorization.
161995314 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20682.
The product of its digits is 29160, while the sum is 39.
The square root of 161995314 is about 12727.7379765613. The cubic root of 161995314 is about 545.1309216094.
The spelling of 161995314 in words is "one hundred sixty-one million, nine hundred ninety-five thousand, three hundred fourteen".
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