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1020320230 = 25102032023
BaseRepresentation
bin111100110100001…
…101100111100110
32122002220122020011
4330310031213212
54042200221410
6245125000434
734166402356
oct7464154746
92562818204
101020320230
11483a42766
1224585311a
131335032a7
149971ab66
155e89718a
hex3cd0d9e6

1020320230 has 8 divisors (see below), whose sum is σ = 1836576432. Its totient is φ = 408128088.

The previous prime is 1020320209. The next prime is 1020320233. The reversal of 1020320230 is 320230201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1020320230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020320233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51016002 + ... + 51016021.

It is an arithmetic number, because the mean of its divisors is an integer number (229572054).

Almost surely, 21020320230 is an apocalyptic number.

1020320230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020320230 is a deficient number, since it is larger than the sum of its proper divisors (816256202).

1020320230 is a wasteful number, since it uses less digits than its factorization.

1020320230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102032030.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 1020320230 is about 31942.4518470327. The cubic root of 1020320230 is about 1006.7280419333.

Adding to 1020320230 its reverse (320230201), we get a palindrome (1340550431).

The spelling of 1020320230 in words is "one billion, twenty million, three hundred twenty thousand, two hundred thirty".

Divisors: 1 2 5 10 102032023 204064046 510160115 1020320230