Base | Representation |
---|---|
bin | 10011001111010… |
… | …10011010011100 |
3 | 102020200120121000 |
4 | 21213222122130 |
5 | 312304023114 |
6 | 24003110300 |
7 | 3666545304 |
oct | 1147523234 |
9 | 366616530 |
10 | 161392284 |
11 | 83113459 |
12 | 46072390 |
13 | 2758a3c1 |
14 | 17612604 |
15 | e27ee09 |
hex | 99ea69c |
161392284 has 24 divisors (see below), whose sum is σ = 418424720. Its totient is φ = 53797392.
The previous prime is 161392241. The next prime is 161392291. The reversal of 161392284 is 482293161.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 747079 + ... + 747294.
Almost surely, 2161392284 is an apocalyptic number.
It is an amenable number.
161392284 is an abundant number, since it is smaller than the sum of its proper divisors (257032436).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
161392284 is a wasteful number, since it uses less digits than its factorization.
161392284 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1494386 (or 1494378 counting only the distinct ones).
The product of its digits is 20736, while the sum is 36.
The square root of 161392284 is about 12704.0262909048. The cubic root of 161392284 is about 544.4536611826.
The spelling of 161392284 in words is "one hundred sixty-one million, three hundred ninety-two thousand, two hundred eighty-four".
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