Base | Representation |
---|---|
bin | 1110100011110… |
… | …0110001111101 |
3 | 11020220111022020 |
4 | 3220330301331 |
5 | 111113110430 |
6 | 10020510353 |
7 | 1341025023 |
oct | 350746175 |
9 | 136814266 |
10 | 61066365 |
11 | 3151a078 |
12 | 1854b3b9 |
13 | c861459 |
14 | 8178713 |
15 | 5563b10 |
hex | 3a3cc7d |
61066365 has 16 divisors (see below), whose sum is σ = 97929216. Its totient is φ = 32494400.
The previous prime is 61066351. The next prime is 61066367. The reversal of 61066365 is 56366016.
It is not a de Polignac number, because 61066365 - 25 = 61066333 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61066367) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2500 + ... + 11330.
It is an arithmetic number, because the mean of its divisors is an integer number (6120576).
Almost surely, 261066365 is an apocalyptic number.
It is an amenable number.
61066365 is a deficient number, since it is larger than the sum of its proper divisors (36862851).
61066365 is a wasteful number, since it uses less digits than its factorization.
61066365 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9300.
The product of its (nonzero) digits is 19440, while the sum is 33.
The square root of 61066365 is about 7814.4971047406. The cubic root of 61066365 is about 393.7924237485.
The spelling of 61066365 in words is "sixty-one million, sixty-six thousand, three hundred sixty-five".
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