Base | Representation |
---|---|
bin | 111101111101… |
… | …111100000000 |
3 | 1010120022020102 |
4 | 331331330000 |
5 | 13124310410 |
6 | 1340101532 |
7 | 255035000 |
oct | 75757400 |
9 | 33508212 |
10 | 16244480 |
11 | 919579a |
12 | 55348a8 |
13 | 3499c25 |
14 | 222c000 |
15 | 165d2a5 |
hex | f7df00 |
16244480 has 144 divisors (see below), whose sum is σ = 46603200. Its totient is φ = 5419008.
The previous prime is 16244477. The next prime is 16244489. The reversal of 16244480 is 8444261.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16244489) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439022 + ... + 439058.
Almost surely, 216244480 is an apocalyptic number.
16244480 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 16244480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23301600).
16244480 is an abundant number, since it is smaller than the sum of its proper divisors (30358720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16244480 is an frugal number, since it uses more digits than its factorization.
16244480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 79 (or 51 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 29.
The square root of 16244480 is about 4030.4441442600. Note that the first 3 decimals coincide. The cubic root of 16244480 is about 253.2611675023.
The spelling of 16244480 in words is "sixteen million, two hundred forty-four thousand, four hundred eighty".
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