Base | Representation |
---|---|
bin | 1001001010101… |
… | …0110100010111 |
3 | 2200100101022002 |
4 | 2102222310113 |
5 | 34320322112 |
6 | 3452025515 |
7 | 644543324 |
oct | 222526427 |
9 | 80311262 |
10 | 38448407 |
11 | 1a780948 |
12 | 10a6229b |
13 | 7c7254a |
14 | 516bb4b |
15 | 35971c2 |
hex | 24aad17 |
38448407 has 16 divisors (see below), whose sum is σ = 42055200. Its totient is φ = 35008512.
The previous prime is 38448391. The next prime is 38448409. The reversal of 38448407 is 70484483.
38448407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 38448407 - 24 = 38448391 is a prime.
It is a super-3 number, since 3×384484073 (a number of 24 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38448409) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108743 + ... + 109095.
It is an arithmetic number, because the mean of its divisors is an integer number (2628450).
Almost surely, 238448407 is an apocalyptic number.
38448407 is a deficient number, since it is larger than the sum of its proper divisors (3606793).
38448407 is a wasteful number, since it uses less digits than its factorization.
38448407 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 562.
The product of its (nonzero) digits is 86016, while the sum is 38.
The square root of 38448407 is about 6200.6779468055. The cubic root of 38448407 is about 337.5147706384.
The spelling of 38448407 in words is "thirty-eight million, four hundred forty-eight thousand, four hundred seven".
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