Base | Representation |
---|---|
bin | 1110101001001… |
… | …0111111001111 |
3 | 11021120102200020 |
4 | 3222102333033 |
5 | 111210410341 |
6 | 10032233223 |
7 | 1344025341 |
oct | 352227717 |
9 | 137512606 |
10 | 61419471 |
11 | 317403a3 |
12 | 1869b813 |
13 | c9560a9 |
14 | 822b291 |
15 | 55d3566 |
hex | 3a92fcf |
61419471 has 8 divisors (see below), whose sum is σ = 82016304. Its totient is φ = 40884480.
The previous prime is 61419469. The next prime is 61419493. The reversal of 61419471 is 17491416.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 61419471 - 21 = 61419469 is a prime.
It is a super-3 number, since 3×614194713 (a number of 24 digits) contains 333 as substring.
It is a Smith number, since the sum of its digits (33) 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 (61419451) 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, 13090 + ... + 17151.
It is an arithmetic number, because the mean of its divisors is an integer number (10252038).
Almost surely, 261419471 is an apocalyptic number.
61419471 is a deficient number, since it is larger than the sum of its proper divisors (20596833).
61419471 is a wasteful number, since it uses less digits than its factorization.
61419471 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30921.
The product of its digits is 6048, while the sum is 33.
The square root of 61419471 is about 7837.0575473197. The cubic root of 61419471 is about 394.5499783272.
The spelling of 61419471 in words is "sixty-one million, four hundred nineteen thousand, four hundred seventy-one".
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