Base | Representation |
---|---|
bin | 10011001100100… |
… | …11110000100101 |
3 | 102020000112201021 |
4 | 21212103300211 |
5 | 312211143344 |
6 | 23551331141 |
7 | 3663536434 |
oct | 1146236045 |
9 | 366015637 |
10 | 161037349 |
11 | 829a0820 |
12 | 45b20ab1 |
13 | 27494995 |
14 | 1755d11b |
15 | e20eb84 |
hex | 9993c25 |
161037349 has 8 divisors (see below), whose sum is σ = 175976640. Its totient is φ = 146148000.
The previous prime is 161037341. The next prime is 161037353. The reversal of 161037349 is 943730161.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 161037349 - 23 = 161037341 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (161037341) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5569 + ... + 18790.
It is an arithmetic number, because the mean of its divisors is an integer number (21997080).
Almost surely, 2161037349 is an apocalyptic number.
It is an amenable number.
161037349 is a deficient number, since it is larger than the sum of its proper divisors (14939291).
161037349 is a wasteful number, since it uses less digits than its factorization.
161037349 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24971.
The product of its (nonzero) digits is 13608, while the sum is 34.
The square root of 161037349 is about 12690.0492118825. The cubic root of 161037349 is about 544.0542461855.
The spelling of 161037349 in words is "one hundred sixty-one million, thirty-seven thousand, three hundred forty-nine".
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