Base | Representation |
---|---|
bin | 101010100100111… |
… | …0111101110110010 |
3 | 10200120020222122102 |
4 | 1111021313232302 |
5 | 10411213312210 |
6 | 353432540402 |
7 | 50255222030 |
oct | 12511675662 |
9 | 3616228572 |
10 | 1428650930 |
11 | 673488653 |
12 | 33a551702 |
13 | 199ca06a5 |
14 | d7a4d550 |
15 | 85653ea5 |
hex | 55277bb2 |
1428650930 has 64 divisors (see below), whose sum is σ = 3124085760. Its totient is φ = 459193344.
The previous prime is 1428650929. The next prime is 1428650939. The reversal of 1428650930 is 390568241.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (1428650939) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 317879 + ... + 322341.
It is an arithmetic number, because the mean of its divisors is an integer number (48813840).
Almost surely, 21428650930 is an apocalyptic number.
1428650930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1428650930 is an abundant number, since it is smaller than the sum of its proper divisors (1695434830).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1428650930 is a wasteful number, since it uses less digits than its factorization.
1428650930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4763.
The product of its (nonzero) digits is 51840, while the sum is 38.
The square root of 1428650930 is about 37797.4989913354. The cubic root of 1428650930 is about 1126.2687723297.
The spelling of 1428650930 in words is "one billion, four hundred twenty-eight million, six hundred fifty thousand, nine hundred thirty".
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