Base | Representation |
---|---|
bin | 1011100100101000… |
… | …1011111101111101 |
3 | 22000111100021201111 |
4 | 2321022023331331 |
5 | 22330223033141 |
6 | 1232130042021 |
7 | 136660302226 |
oct | 27112137575 |
9 | 8014307644 |
10 | 3106455421 |
11 | 1354570a33 |
12 | 728419311 |
13 | 3a6778404 |
14 | 2167d824d |
15 | 132ac1381 |
hex | b928bf7d |
3106455421 has 8 divisors (see below), whose sum is σ = 3117373560. Its totient is φ = 3095549952.
The previous prime is 3106455367. The next prime is 3106455461. The reversal of 3106455421 is 1245546013.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 1218987396 + 1887468025 = 34914^2 + 43445^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 3106455421 - 211 = 3106453373 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3106455461) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 919291 + ... + 922663.
It is an arithmetic number, because the mean of its divisors is an integer number (389671695).
Almost surely, 23106455421 is an apocalyptic number.
It is an amenable number.
3106455421 is a deficient number, since it is larger than the sum of its proper divisors (10918139).
3106455421 is a wasteful number, since it uses less digits than its factorization.
3106455421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6335.
The product of its (nonzero) digits is 14400, while the sum is 31.
The square root of 3106455421 is about 55735.5848717855. The cubic root of 3106455421 is about 1459.1111467503. Note that the first 4 decimals are identical.
The spelling of 3106455421 in words is "three billion, one hundred six million, four hundred fifty-five thousand, four hundred twenty-one".
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