Base | Representation |
---|---|
bin | 1110100100000… |
… | …1001001100101 |
3 | 11020221101212001 |
4 | 3221001021211 |
5 | 111114144021 |
6 | 10021125301 |
7 | 1341131140 |
oct | 351011145 |
9 | 136841761 |
10 | 61084261 |
11 | 31531567 |
12 | 18559831 |
13 | c869644 |
14 | 8181057 |
15 | 5569091 |
hex | 3a41265 |
61084261 has 4 divisors (see below), whose sum is σ = 69810592. Its totient is φ = 52357932.
The previous prime is 61084217. The next prime is 61084271. The reversal of 61084261 is 16248016.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 61084261 - 213 = 61076069 is a prime.
It is a super-2 number, since 2×610842612 = 7462573883832242, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61084201) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 4363155 + ... + 4363168.
It is an arithmetic number, because the mean of its divisors is an integer number (17452648).
Almost surely, 261084261 is an apocalyptic number.
It is an amenable number.
61084261 is a deficient number, since it is larger than the sum of its proper divisors (8726331).
61084261 is an equidigital number, since it uses as much as digits as its factorization.
61084261 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8726330.
The product of its (nonzero) digits is 2304, while the sum is 28.
The square root of 61084261 is about 7815.6420721525. The cubic root of 61084261 is about 393.8308880264.
The spelling of 61084261 in words is "sixty-one million, eighty-four thousand, two hundred sixty-one".
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