Base | Representation |
---|---|
bin | 1110101001001… |
… | …1010110001101 |
3 | 11021120111200200 |
4 | 3222103112031 |
5 | 111210432231 |
6 | 10032244113 |
7 | 1344032541 |
oct | 352232615 |
9 | 137514620 |
10 | 61420941 |
11 | 3174150a |
12 | 186a0639 |
13 | c95696a |
14 | 822ba21 |
15 | 55d3be6 |
hex | 3a9358d |
61420941 has 12 divisors (see below), whose sum is σ = 88975068. Its totient is φ = 40829184.
The previous prime is 61420937. The next prime is 61420943. The reversal of 61420941 is 14902416.
61420941 is a `hidden beast` number, since 614 + 2 + 0 + 9 + 41 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 43956900 + 17464041 = 6630^2 + 4179^2 .
It is not a de Polignac number, because 61420941 - 22 = 61420937 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61420943) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6490 + ... + 12843.
It is an arithmetic number, because the mean of its divisors is an integer number (7414589).
Almost surely, 261420941 is an apocalyptic number.
It is an amenable number.
61420941 is a deficient number, since it is larger than the sum of its proper divisors (27554127).
61420941 is a wasteful number, since it uses less digits than its factorization.
61420941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19692 (or 19689 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The square root of 61420941 is about 7837.1513319573. The cubic root of 61420941 is about 394.5531259927.
The spelling of 61420941 in words is "sixty-one million, four hundred twenty thousand, nine hundred forty-one".
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