Base | Representation |
---|---|
bin | 111110100000… |
… | …111001011000 |
3 | 1010211120122211 |
4 | 332200321120 |
5 | 13143401142 |
6 | 1343124504 |
7 | 256202320 |
oct | 76407130 |
9 | 33746584 |
10 | 16387672 |
11 | 9283334 |
12 | 55a3734 |
13 | 351a162 |
14 | 2268280 |
15 | 168a917 |
hex | fa0e58 |
16387672 has 32 divisors (see below), whose sum is σ = 35258400. Its totient is φ = 6994944.
The previous prime is 16387669. The next prime is 16387691. The reversal of 16387672 is 27678361.
16387672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an alternating number because its digits alternate between odd and even.
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, 19354 + ... + 20182.
It is an arithmetic number, because the mean of its divisors is an integer number (1101825).
Almost surely, 216387672 is an apocalyptic number.
It is an amenable number.
16387672 is an abundant number, since it is smaller than the sum of its proper divisors (18870728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16387672 is a wasteful number, since it uses less digits than its factorization.
16387672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1195 (or 1191 counting only the distinct ones).
The product of its digits is 84672, while the sum is 40.
The square root of 16387672 is about 4048.1689688055. The cubic root of 16387672 is about 254.0031413008.
The spelling of 16387672 in words is "sixteen million, three hundred eighty-seven thousand, six hundred seventy-two".
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