Base | Representation |
---|---|
bin | 1110110001001… |
… | …1101001110101 |
3 | 11022120012121021 |
4 | 3230103221311 |
5 | 111324241420 |
6 | 10051421141 |
7 | 1351351666 |
oct | 354235165 |
9 | 138505537 |
10 | 61946485 |
11 | 31a70347 |
12 | 188b47b1 |
13 | caabc33 |
14 | 832736d |
15 | 56897aa |
hex | 3b13a75 |
61946485 has 8 divisors (see below), whose sum is σ = 74412216. Its totient is φ = 49506240.
The previous prime is 61946483. The next prime is 61946491. The reversal of 61946485 is 58464916.
It can be written as a sum of positive squares in 4 ways, for example, as 19722481 + 42224004 = 4441^2 + 6498^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 61946485 - 21 = 61946483 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 (61946483) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534 + ... + 11143.
It is an arithmetic number, because the mean of its divisors is an integer number (9301527).
Almost surely, 261946485 is an apocalyptic number.
It is an amenable number.
61946485 is a deficient number, since it is larger than the sum of its proper divisors (12465731).
61946485 is a wasteful number, since it uses less digits than its factorization.
61946485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12743.
The product of its digits is 207360, while the sum is 43.
The square root of 61946485 is about 7870.6089345107. The cubic root of 61946485 is about 395.6752536892.
It can be divided in two parts, 6 and 1946485, that added together give a palindrome (1946491).
The spelling of 61946485 in words is "sixty-one million, nine hundred forty-six thousand, four hundred eighty-five".
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