Base | Representation |
---|---|
bin | 1111011101111… |
… | …1111011010111 |
3 | 11112002021002200 |
4 | 3313133323113 |
5 | 113102132333 |
6 | 10234335543 |
7 | 1415321343 |
oct | 367377327 |
9 | 145067080 |
10 | 64880343 |
11 | 33694620 |
12 | 1988a5b3 |
13 | 10598448 |
14 | 888c623 |
15 | 5a68c13 |
hex | 3ddfed7 |
64880343 has 12 divisors (see below), whose sum is σ = 102235848. Its totient is φ = 39321360.
The previous prime is 64880329. The next prime is 64880359. The reversal of 64880343 is 34308846.
64880343 is a `hidden beast` number, since 648 + 8 + 0 + 3 + 4 + 3 = 666.
It is not a de Polignac number, because 64880343 - 25 = 64880311 is a prime.
It is a super-3 number, since 3×648803433 (a number of 24 digits) contains 333 as substring.
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 junction number, because it is equal to n+sod(n) for n = 64880298 and 64880307.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64880843) 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, 327580 + ... + 327777.
It is an arithmetic number, because the mean of its divisors is an integer number (8519654).
Almost surely, 264880343 is an apocalyptic number.
64880343 is a deficient number, since it is larger than the sum of its proper divisors (37355505).
64880343 is a wasteful number, since it uses less digits than its factorization.
64880343 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 655374 (or 655371 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 36.
The square root of 64880343 is about 8054.8335178326. The cubic root of 64880343 is about 401.8257022668.
It can be divided in two parts, 648803 and 43, that added together give a palindrome (648846).
The spelling of 64880343 in words is "sixty-four million, eight hundred eighty thousand, three hundred forty-three".
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