Base | Representation |
---|---|
bin | 111100110100100… |
… | …110110000101010 |
3 | 2122010002212111020 |
4 | 330310212300222 |
5 | 4042212020320 |
6 | 245131113310 |
7 | 34200311532 |
oct | 7464466052 |
9 | 2563085436 |
10 | 1020423210 |
11 | 484003074 |
12 | 2458a2836 |
13 | 13353b121 |
14 | 997464c2 |
15 | 5e8b7940 |
hex | 3cd26c2a |
1020423210 has 32 divisors (see below), whose sum is σ = 2451339072. Its totient is φ = 271854720.
The previous prime is 1020423197. The next prime is 1020423241. The reversal of 1020423210 is 123240201.
1020423210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 1020423210.
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, 17142 + ... + 48318.
It is an arithmetic number, because the mean of its divisors is an integer number (76604346).
Almost surely, 21020423210 is an apocalyptic number.
1020423210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1020423210 is an abundant number, since it is smaller than the sum of its proper divisors (1430915862).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1020423210 is a wasteful number, since it uses less digits than its factorization.
1020423210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32278.
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 1020423210 is about 31944.0637677801. The cubic root of 1020423210 is about 1006.7619101782.
Adding to 1020423210 its reverse (123240201), we get a palindrome (1143663411).
The spelling of 1020423210 in words is "one billion, twenty million, four hundred twenty-three thousand, two hundred ten".
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