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1023442305 = 3568229487
BaseRepresentation
bin111101000000000…
…111110110000001
32122022210020220120
4331000013312001
54044000123210
6245315530453
734235054544
oct7500076601
92568706816
101023442305
11485785396
122468b9a29
13134057382
1499cd085b
155ecb2270
hex3d007d81

1023442305 has 8 divisors (see below), whose sum is σ = 1637507712. Its totient is φ = 545835888.

The previous prime is 1023442297. The next prime is 1023442307. The reversal of 1023442305 is 5032443201.

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

It is not a de Polignac number, because 1023442305 - 23 = 1023442297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1023442307) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 34114729 + ... + 34114758.

It is an arithmetic number, because the mean of its divisors is an integer number (204688464).

Almost surely, 21023442305 is an apocalyptic number.

1023442305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1023442305 is a deficient number, since it is larger than the sum of its proper divisors (614065407).

1023442305 is an equidigital number, since it uses as much as digits as its factorization.

1023442305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68229495.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 1023442305 is about 31991.2848288405. The cubic root of 1023442305 is about 1007.7538244813.

Adding to 1023442305 its reverse (5032443201), we get a palindrome (6055885506).

The spelling of 1023442305 in words is "one billion, twenty-three million, four hundred forty-two thousand, three hundred five".

Divisors: 1 3 5 15 68229487 204688461 341147435 1023442305