Base | Representation |
---|---|
bin | 101001110001111… |
… | …0110010100110101 |
3 | 10121200221020011102 |
4 | 1103203312110311 |
5 | 10332342001420 |
6 | 351035415445 |
7 | 46512002630 |
oct | 12343662465 |
9 | 3550836142 |
10 | 1401906485 |
11 | 65a381101 |
12 | 3315b4585 |
13 | 194598485 |
14 | d428ac17 |
15 | 8311ea75 |
hex | 538f6535 |
1401906485 has 8 divisors (see below), whose sum is σ = 1922614656. Its totient is φ = 961307280.
The previous prime is 1401906461. The next prime is 1401906491. The reversal of 1401906485 is 5846091041.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1401906485 - 26 = 1401906421 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 20027201 + ... + 20027270.
It is an arithmetic number, because the mean of its divisors is an integer number (240326832).
Almost surely, 21401906485 is an apocalyptic number.
It is an amenable number.
1401906485 is a deficient number, since it is larger than the sum of its proper divisors (520708171).
1401906485 is an equidigital number, since it uses as much as digits as its factorization.
1401906485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40054483.
The product of its (nonzero) digits is 34560, while the sum is 38.
The square root of 1401906485 is about 37442.0416777718. The cubic root of 1401906485 is about 1119.1965126301.
The spelling of 1401906485 in words is "one billion, four hundred one million, nine hundred six thousand, four hundred eighty-five".
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