Base | Representation |
---|---|
bin | 1010001111010… |
… | …1011110100111 |
3 | 2222211000021220 |
4 | 2203311132213 |
5 | 41443323034 |
6 | 4132311423 |
7 | 1031025225 |
oct | 243653647 |
9 | 88730256 |
10 | 42948519 |
11 | 22274949 |
12 | 12472573 |
13 | 8b89933 |
14 | 59bdb15 |
15 | 3b85749 |
hex | 28f57a7 |
42948519 has 8 divisors (see below), whose sum is σ = 58235520. Its totient is φ = 28146936.
The previous prime is 42948517. The next prime is 42948551. The reversal of 42948519 is 91584924.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 42948519 - 21 = 42948517 is a prime.
It is a super-2 number, since 2×429485192 = 3689150568586722, which contains 22 as substring.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42948517) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121147 + ... + 121500.
It is an arithmetic number, because the mean of its divisors is an integer number (7279440).
Almost surely, 242948519 is an apocalyptic number.
42948519 is a deficient number, since it is larger than the sum of its proper divisors (15287001).
42948519 is a wasteful number, since it uses less digits than its factorization.
42948519 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 242709.
The product of its digits is 103680, while the sum is 42.
The square root of 42948519 is about 6553.5119592475. The cubic root of 42948519 is about 350.1999374647.
The spelling of 42948519 in words is "forty-two million, nine hundred forty-eight thousand, five hundred nineteen".
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