Base | Representation |
---|---|
bin | 1100101011111000… |
… | …0101011100110001 |
3 | 22210022121210012211 |
4 | 3022332011130301 |
5 | 23433222213011 |
6 | 1321522452121 |
7 | 150246225163 |
oct | 31276053461 |
9 | 8708553184 |
10 | 3405272881 |
11 | 1498207a0a |
12 | 7b0504041 |
13 | 423650b8a |
14 | 244380933 |
15 | 14de49b21 |
hex | caf85731 |
3405272881 has 4 divisors (see below), whose sum is σ = 3406528000. Its totient is φ = 3404017764.
The previous prime is 3405272879. The next prime is 3405272933. The reversal of 3405272881 is 1882725043.
It is a happy number.
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 3405272881 - 21 = 3405272879 is a prime.
It is a super-2 number, since 2×34052728812 = 23191766788148080322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3405272821) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623481 + ... + 628918.
It is an arithmetic number, because the mean of its divisors is an integer number (851632000).
Almost surely, 23405272881 is an apocalyptic number.
It is an amenable number.
3405272881 is a deficient number, since it is larger than the sum of its proper divisors (1255119).
3405272881 is a wasteful number, since it uses less digits than its factorization.
3405272881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1255118.
The product of its (nonzero) digits is 107520, while the sum is 40.
The square root of 3405272881 is about 58354.7160133609. The cubic root of 3405272881 is about 1504.4715283036.
The spelling of 3405272881 in words is "three billion, four hundred five million, two hundred seventy-two thousand, eight hundred eighty-one".
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