Base | Representation |
---|---|
bin | 1110101000001… |
… | …0001010010001 |
3 | 11021102221010102 |
4 | 3222002022101 |
5 | 111201204140 |
6 | 10030542145 |
7 | 1343320364 |
oct | 352021221 |
9 | 137387112 |
10 | 61350545 |
11 | 316a3633 |
12 | 18667955 |
13 | c9308c9 |
14 | 82100db |
15 | 55bce15 |
hex | 3a82291 |
61350545 has 16 divisors (see below), whose sum is σ = 77352192. Its totient is φ = 46622400.
The previous prime is 61350539. The next prime is 61350547. The reversal of 61350545 is 54505316.
It is not a de Polignac number, because 61350545 - 212 = 61346449 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (61350547) 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, 15599 + ... + 19131.
It is an arithmetic number, because the mean of its divisors is an integer number (4834512).
Almost surely, 261350545 is an apocalyptic number.
It is an amenable number.
61350545 is a deficient number, since it is larger than the sum of its proper divisors (16001647).
61350545 is a wasteful number, since it uses less digits than its factorization.
61350545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3712.
The product of its (nonzero) digits is 9000, while the sum is 29.
The square root of 61350545 is about 7832.6588716731. The cubic root of 61350545 is about 394.4023327977.
The spelling of 61350545 in words is "sixty-one million, three hundred fifty thousand, five hundred forty-five".
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