Base | Representation |
---|---|
bin | 111101010000… |
… | …010101111000 |
3 | 1010012211001101 |
4 | 331100111320 |
5 | 13102321340 |
6 | 1332101144 |
7 | 253326340 |
oct | 75202570 |
9 | 33184041 |
10 | 16057720 |
11 | 9078448 |
12 | 54647b4 |
13 | 3432c13 |
14 | 21bdd20 |
15 | 1622c9a |
hex | f50578 |
16057720 has 32 divisors (see below), whose sum is σ = 41292000. Its totient is φ = 5505408.
The previous prime is 16057651. The next prime is 16057729. The reversal of 16057720 is 2775061.
16057720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16057729) 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, 28395 + ... + 28954.
It is an arithmetic number, because the mean of its divisors is an integer number (1290375).
Almost surely, 216057720 is an apocalyptic number.
16057720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
16057720 is an abundant number, since it is smaller than the sum of its proper divisors (25234280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16057720 is a wasteful number, since it uses less digits than its factorization.
16057720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57367 (or 57363 counting only the distinct ones).
The product of its (nonzero) digits is 2940, while the sum is 28.
The square root of 16057720 is about 4007.2085046825. The cubic root of 16057720 is about 252.2868573492.
The spelling of 16057720 in words is "sixteen million, fifty-seven thousand, seven hundred twenty".
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