Base | Representation |
---|---|
bin | 1011100111011… |
… | …00101011010011 |
3 | 20210100101101100 |
4 | 11303230223103 |
5 | 144421012134 |
6 | 13400235443 |
7 | 2262133011 |
oct | 563545323 |
9 | 223311340 |
10 | 97438419 |
11 | 50001a21 |
12 | 2876bb83 |
13 | 17257890 |
14 | cd258b1 |
15 | 884a999 |
hex | 5cecad3 |
97438419 has 24 divisors (see below), whose sum is σ = 158165280. Its totient is φ = 57353472.
The previous prime is 97438409. The next prime is 97438447. The reversal of 97438419 is 91483479.
It is not a de Polignac number, because 97438419 - 211 = 97436371 is a prime.
It is a super-2 number, since 2×974384192 = 18988490994439122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (97438409) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15414 + ... + 20795.
It is an arithmetic number, because the mean of its divisors is an integer number (6590220).
Almost surely, 297438419 is an apocalyptic number.
97438419 is a deficient number, since it is larger than the sum of its proper divisors (60726861).
97438419 is a wasteful number, since it uses less digits than its factorization.
97438419 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36251 (or 36248 counting only the distinct ones).
The product of its digits is 217728, while the sum is 45.
The square root of 97438419 is about 9871.0900613863. The cubic root of 97438419 is about 460.1612840241.
It can be divided in two parts, 974 and 38419, that added together give a palindrome (39393).
The spelling of 97438419 in words is "ninety-seven million, four hundred thirty-eight thousand, four hundred nineteen".
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