Base | Representation |
---|---|
bin | 1011100111001… |
… | …11111101100101 |
3 | 20210022101220011 |
4 | 11303213331211 |
5 | 144414402414 |
6 | 13400010221 |
7 | 2262022504 |
oct | 563477545 |
9 | 223271804 |
10 | 97419109 |
11 | 4aa99467 |
12 | 28760971 |
13 | 1724bb58 |
14 | cd1c83b |
15 | 8844dc4 |
hex | 5ce7f65 |
97419109 has 6 divisors (see below), whose sum is σ = 99538214. Its totient is φ = 95344200.
The previous prime is 97419103. The next prime is 97419121. The reversal of 97419109 is 90191479.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 97416900 + 2209 = 9870^2 + 47^2 .
It is not a de Polignac number, because 97419109 - 213 = 97410917 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (97419103) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19842 + ... + 24259.
Almost surely, 297419109 is an apocalyptic number.
It is an amenable number.
97419109 is a deficient number, since it is larger than the sum of its proper divisors (2119105).
97419109 is an equidigital number, since it uses as much as digits as its factorization.
97419109 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44195 (or 44148 counting only the distinct ones).
The product of its (nonzero) digits is 20412, while the sum is 40.
The square root of 97419109 is about 9870.1119041275. Note that the first 3 decimals coincide. The cubic root of 97419109 is about 460.1308843059.
The spelling of 97419109 in words is "ninety-seven million, four hundred nineteen thousand, one hundred nine".
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