Base | Representation |
---|---|
bin | 1111000111100… |
… | …1001111001001 |
3 | 11102022121201221 |
4 | 3301321033021 |
5 | 112213124040 |
6 | 10143042041 |
7 | 1366662100 |
oct | 361711711 |
9 | 142277657 |
10 | 63411145 |
11 | 32880806 |
12 | 192a0321 |
13 | 101a27b5 |
14 | 85c9037 |
15 | 587874a |
hex | 3c793c9 |
63411145 has 24 divisors (see below), whose sum is σ = 89861184. Its totient is φ = 42821856.
The previous prime is 63411143. The next prime is 63411169. The reversal of 63411145 is 54111436.
It is not a de Polignac number, because 63411145 - 21 = 63411143 is a prime.
It is a super-2 number, since 2×634111452 = 8041946620422050, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (63411143) 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, 14484 + ... + 18346.
It is an arithmetic number, because the mean of its divisors is an integer number (3744216).
Almost surely, 263411145 is an apocalyptic number.
It is an amenable number.
63411145 is a deficient number, since it is larger than the sum of its proper divisors (26450039).
63411145 is a wasteful number, since it uses less digits than its factorization.
With its predecessor (63411144) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (3949).
63411145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3949 (or 3942 counting only the distinct ones).
The product of its digits is 1440, while the sum is 25.
The square root of 63411145 is about 7963.1115149796. Note that the first 3 decimals coincide. The cubic root of 63411145 is about 398.7694369184.
The spelling of 63411145 in words is "sixty-three million, four hundred eleven thousand, one hundred forty-five".
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