Base | Representation |
---|---|
bin | 111101011001101… |
… | …100010010111110 |
3 | 2122210101210120110 |
4 | 331121230102332 |
5 | 4102204121324 |
6 | 250115330450 |
7 | 34346042550 |
oct | 7531542276 |
9 | 2583353513 |
10 | 1030145214 |
11 | 48954338a |
12 | 248bb0a26 |
13 | 1355632a7 |
14 | 9ab574d0 |
15 | 60688329 |
hex | 3d66c4be |
1030145214 has 32 divisors (see below), whose sum is σ = 2355575040. Its totient is φ = 294207552.
The previous prime is 1030145161. The next prime is 1030145239. The reversal of 1030145214 is 4125410301.
It is a super-2 number, since 2×10301452142 = 2122398323854211592, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182397 + ... + 187959.
It is an arithmetic number, because the mean of its divisors is an integer number (73611720).
Almost surely, 21030145214 is an apocalyptic number.
1030145214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
1030145214 is an abundant number, since it is smaller than the sum of its proper divisors (1325429826).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1030145214 is a wasteful number, since it uses less digits than its factorization.
1030145214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9984.
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 1030145214 is about 32095.8753424798. The cubic root of 1030145214 is about 1009.9490919673.
Adding to 1030145214 its reverse (4125410301), we get a palindrome (5155555515).
The spelling of 1030145214 in words is "one billion, thirty million, one hundred forty-five thousand, two hundred fourteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •