Base | Representation |
---|---|
bin | 1010000011000… |
… | …1111001010111 |
3 | 2221022022101101 |
4 | 2200301321113 |
5 | 41242204130 |
6 | 4103210531 |
7 | 1021150522 |
oct | 240617127 |
9 | 87268341 |
10 | 42147415 |
11 | 21877a82 |
12 | 12146a47 |
13 | 89690cb |
14 | 5851bb9 |
15 | 3a781ca |
hex | 2831e57 |
42147415 has 16 divisors (see below), whose sum is σ = 53406720. Its totient is φ = 31842720.
The previous prime is 42147409. The next prime is 42147419. The reversal of 42147415 is 51474124.
42147415 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 42147415 - 29 = 42146903 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42147419) 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, 45810 + ... + 46720.
It is an arithmetic number, because the mean of its divisors is an integer number (3337920).
Almost surely, 242147415 is an apocalyptic number.
42147415 is a deficient number, since it is larger than the sum of its proper divisors (11259305).
42147415 is a wasteful number, since it uses less digits than its factorization.
42147415 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1422.
The product of its digits is 4480, while the sum is 28.
The square root of 42147415 is about 6492.1040503060. The cubic root of 42147415 is about 348.0088709369.
The spelling of 42147415 in words is "forty-two million, one hundred forty-seven thousand, four hundred fifteen".
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