Base | Representation |
---|---|
bin | 1110100101101… |
… | …1110010101001 |
3 | 11021010221112200 |
4 | 3221123302221 |
5 | 111131142020 |
6 | 10023330413 |
7 | 1342064241 |
oct | 351336251 |
9 | 137127480 |
10 | 61193385 |
11 | 315a6550 |
12 | 185b0a09 |
13 | c8a7206 |
14 | 81acb21 |
15 | 558b590 |
hex | 3a5bca9 |
61193385 has 48 divisors (see below), whose sum is σ = 116520768. Its totient is φ = 29462400.
The previous prime is 61193383. The next prime is 61193401. The reversal of 61193385 is 58339116.
It is a happy number.
61193385 is a `hidden beast` number, since 611 + 9 + 3 + 38 + 5 = 666.
It is not a de Polignac number, because 61193385 - 21 = 61193383 is a prime.
It is a super-3 number, since 3×611933853 (a number of 24 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (61193383) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 89254 + ... + 89936.
It is an arithmetic number, because the mean of its divisors is an integer number (2427516).
Almost surely, 261193385 is an apocalyptic number.
It is an amenable number.
61193385 is a deficient number, since it is larger than the sum of its proper divisors (55327383).
61193385 is a wasteful number, since it uses less digits than its factorization.
61193385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 886 (or 883 counting only the distinct ones).
The product of its digits is 19440, while the sum is 36.
The square root of 61193385 is about 7822.6200853678. The cubic root of 61193385 is about 394.0652682893.
The spelling of 61193385 in words is "sixty-one million, one hundred ninety-three thousand, three hundred eighty-five".
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