Base | Representation |
---|---|
bin | 101001001100010… |
… | …1100111000101101 |
3 | 10120022212101120122 |
4 | 1102120230320231 |
5 | 10312321111041 |
6 | 345053254325 |
7 | 46152365036 |
oct | 12230547055 |
9 | 3508771518 |
10 | 1382207021 |
11 | 64a246658 |
12 | 326a943a5 |
13 | 19048baa0 |
14 | d17dda8d |
15 | 8152cc4b |
hex | 5262ce2d |
1382207021 has 8 divisors (see below), whose sum is σ = 1493383584. Its totient is φ = 1271723760.
The previous prime is 1382207017. The next prime is 1382207053. The reversal of 1382207021 is 1207022831.
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 1382207021 - 22 = 1382207017 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 (1382207221) 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, 169175 + ... + 177156.
It is an arithmetic number, because the mean of its divisors is an integer number (186672948).
Almost surely, 21382207021 is an apocalyptic number.
It is an amenable number.
1382207021 is a deficient number, since it is larger than the sum of its proper divisors (111176563).
1382207021 is a wasteful number, since it uses less digits than its factorization.
1382207021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 346651.
The product of its (nonzero) digits is 1344, while the sum is 26.
The square root of 1382207021 is about 37178.0448786646. The cubic root of 1382207021 is about 1113.9294814759.
Adding to 1382207021 its reverse (1207022831), we get a palindrome (2589229852).
The spelling of 1382207021 in words is "one billion, three hundred eighty-two million, two hundred seven thousand, twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •