Base | Representation |
---|---|
bin | 111101111010… |
… | …110000101100 |
3 | 1010112122101111 |
4 | 331322300230 |
5 | 13123401333 |
6 | 1335521404 |
7 | 254652031 |
oct | 75726054 |
9 | 33478344 |
10 | 16231468 |
11 | 9186a40 |
12 | 5529264 |
13 | 3494026 |
14 | 2227388 |
15 | 16594cd |
hex | f7ac2c |
16231468 has 48 divisors (see below), whose sum is σ = 33175296. Its totient is φ = 6874560.
The previous prime is 16231459. The next prime is 16231469. The reversal of 16231468 is 86413261.
It is a happy number.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (16231469) 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, 43330 + ... + 43702.
It is an arithmetic number, because the mean of its divisors is an integer number (691152).
Almost surely, 216231468 is an apocalyptic number.
16231468 is the 2154-th centered heptagonal number.
It is an amenable number.
16231468 is an abundant number, since it is smaller than the sum of its proper divisors (16943828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16231468 is a wasteful number, since it uses less digits than its factorization.
16231468 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 454 (or 452 counting only the distinct ones).
The product of its digits is 6912, while the sum is 31.
The square root of 16231468 is about 4028.8296067220. The cubic root of 16231468 is about 253.1935278159.
The spelling of 16231468 in words is "sixteen million, two hundred thirty-one thousand, four hundred sixty-eight".
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