Base | Representation |
---|---|
bin | 10100001100101… |
… | …00011000000000 |
3 | 102210210212011220 |
4 | 22012110120000 |
5 | 321333202410 |
6 | 24451235040 |
7 | 4125055404 |
oct | 1206243000 |
9 | 383725156 |
10 | 169428480 |
11 | 87702141 |
12 | 488a8a80 |
13 | 29142150 |
14 | 18705104 |
15 | ed1b070 |
hex | a194600 |
169428480 has 160 divisors (see below), whose sum is σ = 583650144. Its totient is φ = 41680896.
The previous prime is 169428473. The next prime is 169428559. The reversal of 169428480 is 84824961.
It is a tau number, because it is divible by the number of its divisors (160).
It is a super-2 number, since 2×1694284802 = 57412019670220800, which contains 22 as substring.
It is a congruent 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, 98992 + ... + 100688.
Almost surely, 2169428480 is an apocalyptic number.
169428480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 169428480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291825072).
169428480 is an abundant number, since it is smaller than the sum of its proper divisors (414221664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
169428480 is a wasteful number, since it uses less digits than its factorization.
169428480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1736 (or 1720 counting only the distinct ones).
The product of its (nonzero) digits is 110592, while the sum is 42.
The square root of 169428480 is about 13016.4695674365. The cubic root of 169428480 is about 553.3443393885.
The spelling of 169428480 in words is "one hundred sixty-nine million, four hundred twenty-eight thousand, four hundred eighty".
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