Base | Representation |
---|---|
bin | 11000101111011… |
… | …000011010111101 |
3 | 1001221000221110102 |
4 | 120233120122331 |
5 | 1322224331411 |
6 | 105104250445 |
7 | 13200033140 |
oct | 3057303275 |
9 | 1057027412 |
10 | 415073981 |
11 | 1a3331253 |
12 | b7010a25 |
13 | 67cbb80a |
14 | 3d1aa057 |
15 | 2668ed3b |
hex | 18bd86bd |
415073981 has 8 divisors (see below), whose sum is σ = 499337280. Its totient is φ = 337052448.
The previous prime is 415073963. The next prime is 415073987. The reversal of 415073981 is 189370514.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 415073981 - 26 = 415073917 is a prime.
It is a super-2 number, since 2×4150739812 = 344572819406376722, which contains 22 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 (415073987) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1560296 + ... + 1560561.
It is an arithmetic number, because the mean of its divisors is an integer number (62417160).
Almost surely, 2415073981 is an apocalyptic number.
It is an amenable number.
415073981 is a deficient number, since it is larger than the sum of its proper divisors (84263299).
415073981 is a wasteful number, since it uses less digits than its factorization.
415073981 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3120883.
The product of its (nonzero) digits is 30240, while the sum is 38.
The square root of 415073981 is about 20373.3644987763. The cubic root of 415073981 is about 745.9479134044.
The spelling of 415073981 in words is "four hundred fifteen million, seventy-three thousand, nine hundred eighty-one".
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