Base | Representation |
---|---|
bin | 1110101001101… |
… | …1100010011101 |
3 | 11021122012201100 |
4 | 3222123202131 |
5 | 111213020433 |
6 | 10033103313 |
7 | 1344232422 |
oct | 352334235 |
9 | 137565640 |
10 | 61454493 |
11 | 31764741 |
12 | 186b7b39 |
13 | c969009 |
14 | 8239d49 |
15 | 55ddb13 |
hex | 3a9b89d |
61454493 has 24 divisors (see below), whose sum is σ = 96462080. Its totient is φ = 37558080.
The previous prime is 61454479. The next prime is 61454513. The reversal of 61454493 is 39445416.
It is not a de Polignac number, because 61454493 - 26 = 61454429 is a prime.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61454443) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 496 + ... + 11097.
Almost surely, 261454493 is an apocalyptic number.
It is an amenable number.
61454493 is a deficient number, since it is larger than the sum of its proper divisors (35007587).
61454493 is a wasteful number, since it uses less digits than its factorization.
61454493 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11649 (or 11646 counting only the distinct ones).
The product of its digits is 51840, while the sum is 36.
The square root of 61454493 is about 7839.2916134049. The cubic root of 61454493 is about 394.6249561998.
The spelling of 61454493 in words is "sixty-one million, four hundred fifty-four thousand, four hundred ninety-three".
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