Base | Representation |
---|---|
bin | 10011001110011… |
… | …11101111011111 |
3 | 102020111000201220 |
4 | 21213033233133 |
5 | 312242024124 |
6 | 24000504423 |
7 | 3665611641 |
oct | 1147175737 |
9 | 366430656 |
10 | 161283039 |
11 | 83049375 |
12 | 4601b113 |
13 | 2754c768 |
14 | 175c4891 |
15 | e25c879 |
hex | 99cfbdf |
161283039 has 8 divisors (see below), whose sum is σ = 226362240. Its totient is φ = 101862936.
The previous prime is 161283019. The next prime is 161283079. The reversal of 161283039 is 930382161.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 161283039 - 27 = 161282911 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (161283019) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1414707 + ... + 1414820.
It is an arithmetic number, because the mean of its divisors is an integer number (28295280).
Almost surely, 2161283039 is an apocalyptic number.
161283039 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
161283039 is a deficient number, since it is larger than the sum of its proper divisors (65079201).
161283039 is a wasteful number, since it uses less digits than its factorization.
161283039 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2829549.
The product of its (nonzero) digits is 7776, while the sum is 33.
The square root of 161283039 is about 12699.7259419249. The cubic root of 161283039 is about 544.3307881761.
The spelling of 161283039 in words is "one hundred sixty-one million, two hundred eighty-three thousand, thirty-nine".
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