Base | Representation |
---|---|
bin | 111101111010… |
… | …101111110101 |
3 | 1010112122022110 |
4 | 331322233311 |
5 | 13123401123 |
6 | 1335521233 |
7 | 254651622 |
oct | 75725765 |
9 | 33478273 |
10 | 16231413 |
11 | 91869a0 |
12 | 5529219 |
13 | 3493cb3 |
14 | 2227349 |
15 | 1659493 |
hex | f7abf5 |
16231413 has 16 divisors (see below), whose sum is σ = 24998976. Its totient is φ = 9258240.
The previous prime is 16231393. The next prime is 16231427. The reversal of 16231413 is 31413261.
It is not a de Polignac number, because 16231413 - 217 = 16100341 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 16231413.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16231483) 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, 13906 + ... + 15027.
It is an arithmetic number, because the mean of its divisors is an integer number (1562436).
Almost surely, 216231413 is an apocalyptic number.
It is an amenable number.
16231413 is a deficient number, since it is larger than the sum of its proper divisors (8767563).
16231413 is a wasteful number, since it uses less digits than its factorization.
16231413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28964.
The product of its digits is 432, while the sum is 21.
The square root of 16231413 is about 4028.8227809126. The cubic root of 16231413 is about 253.1932418352.
Adding to 16231413 its reverse (31413261), we get a palindrome (47644674).
The spelling of 16231413 in words is "sixteen million, two hundred thirty-one thousand, four hundred thirteen".
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