Base | Representation |
---|---|
bin | 101010100101000… |
… | …0100000011110110 |
3 | 10200120100112220210 |
4 | 1111022010003312 |
5 | 10411221421210 |
6 | 353434010250 |
7 | 50255522202 |
oct | 12512040366 |
9 | 3616315823 |
10 | 1428701430 |
11 | 673512592 |
12 | 33a576986 |
13 | 199cba680 |
14 | d7a63b02 |
15 | 85663e20 |
hex | 552840f6 |
1428701430 has 32 divisors (see below), whose sum is σ = 3692644704. Its totient is φ = 351680256.
The previous prime is 1428701401. The next prime is 1428701497. The reversal of 1428701430 is 341078241.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1831279 + ... + 1832058.
It is an arithmetic number, because the mean of its divisors is an integer number (115395147).
Almost surely, 21428701430 is an apocalyptic number.
1428701430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1428701430 is an abundant number, since it is smaller than the sum of its proper divisors (2263943274).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1428701430 is a wasteful number, since it uses less digits than its factorization.
1428701430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3663360.
The product of its (nonzero) digits is 5376, while the sum is 30.
The square root of 1428701430 is about 37798.1670190500. The cubic root of 1428701430 is about 1126.2820426352.
Adding to 1428701430 its reverse (341078241), we get a palindrome (1769779671).
The spelling of 1428701430 in words is "one billion, four hundred twenty-eight million, seven hundred one thousand, four hundred thirty".
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