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1022123230 = 25102212323
BaseRepresentation
bin111100111011000…
…101110011011110
32122020022020110221
4330323011303132
54043130420410
6245231351554
734220622052
oct7473056336
92566266427
101022123230
11484a64347
122463825ba
131339b4b5b
1499a69c62
155eb014da
hex3cec5cde

1022123230 has 8 divisors (see below), whose sum is σ = 1839821832. Its totient is φ = 408849288.

The previous prime is 1022123173. The next prime is 1022123231. The reversal of 1022123230 is 323212201.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022123231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51106152 + ... + 51106171.

It is an arithmetic number, because the mean of its divisors is an integer number (229977729).

Almost surely, 21022123230 is an apocalyptic number.

1022123230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1022123230 is a deficient number, since it is larger than the sum of its proper divisors (817698602).

1022123230 is a wasteful number, since it uses less digits than its factorization.

1022123230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102212330.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1022123230 is about 31970.6620200458. The cubic root of 1022123230 is about 1007.3206867674.

Adding to 1022123230 its reverse (323212201), we get a palindrome (1345335431).

The spelling of 1022123230 in words is "one billion, twenty-two million, one hundred twenty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 102212323 204424646 511061615 1022123230