Base | Representation |
---|---|
bin | 1110100100000… |
… | …1001100110001 |
3 | 11020221102010121 |
4 | 3221001030301 |
5 | 111114200330 |
6 | 10021130241 |
7 | 1341131551 |
oct | 351011461 |
9 | 136842117 |
10 | 61084465 |
11 | 31531732 |
12 | 18559981 |
13 | c869770 |
14 | 8181161 |
15 | 556917a |
hex | 3a41331 |
61084465 has 16 divisors (see below), whose sum is σ = 80868816. Its totient is φ = 44006400.
The previous prime is 61084453. The next prime is 61084501. The reversal of 61084465 is 56448016.
It can be written as a sum of positive squares in 8 ways, for example, as 17405584 + 43678881 = 4172^2 + 6609^2 .
It is not a de Polignac number, because 61084465 - 25 = 61084433 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 61084465.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8796 + ... + 14125.
It is an arithmetic number, because the mean of its divisors is an integer number (5054301).
Almost surely, 261084465 is an apocalyptic number.
61084465 is a gapful number since it is divisible by the number (65) formed by its first and last digit.
It is an amenable number.
61084465 is a deficient number, since it is larger than the sum of its proper divisors (19784351).
61084465 is a wasteful number, since it uses less digits than its factorization.
61084465 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22980.
The product of its (nonzero) digits is 23040, while the sum is 34.
The square root of 61084465 is about 7815.6551228928. The cubic root of 61084465 is about 393.8313264449.
The spelling of 61084465 in words is "sixty-one million, eighty-four thousand, four hundred sixty-five".
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