Base | Representation |
---|---|
bin | 1011100100011… |
… | …10111000001011 |
3 | 20202121212100201 |
4 | 11302032320023 |
5 | 144321213334 |
6 | 13344113031 |
7 | 2255642623 |
oct | 562167013 |
9 | 222555321 |
10 | 97054219 |
11 | 4a86a2a9 |
12 | 28605777 |
13 | 17151a42 |
14 | cc65883 |
15 | 87c1c14 |
hex | 5c8ee0b |
97054219 has 4 divisors (see below), whose sum is σ = 99677344. Its totient is φ = 94431096.
The previous prime is 97054187. The next prime is 97054229. The reversal of 97054219 is 91245079.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91245079 = 79 ⋅1155001.
It is a cyclic number.
It is not a de Polignac number, because 97054219 - 25 = 97054187 is a prime.
It is a super-2 number, since 2×970542192 = 18839042851399922, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 2623087 = 97054219 / (9 + 7 + 0 + 5 + 4 + 2 + 1 + 9).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (97054229) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1311507 + ... + 1311580.
It is an arithmetic number, because the mean of its divisors is an integer number (24919336).
Almost surely, 297054219 is an apocalyptic number.
97054219 is a deficient number, since it is larger than the sum of its proper divisors (2623125).
97054219 is a wasteful number, since it uses less digits than its factorization.
97054219 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2623124.
The product of its (nonzero) digits is 22680, while the sum is 37.
The square root of 97054219 is about 9851.6099699491. The cubic root of 97054219 is about 459.5556815527. Note that the first 3 decimals are identical.
It can be divided in two parts, 9705 and 4219, that added together give a square (13924 = 1182).
The spelling of 97054219 in words is "ninety-seven million, fifty-four thousand, two hundred nineteen".
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