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1024093205 = 5204818641
BaseRepresentation
bin111101000010100…
…110110000010101
32122101000022202222
4331002212300111
54044131440310
6245341512125
734243435322
oct7502466025
92571008688
101024093205
1148608a423
12246b72645
13134224715
149a01db49
155ed90055
hex3d0a6c15

1024093205 has 4 divisors (see below), whose sum is σ = 1228911852. Its totient is φ = 819274560.

The previous prime is 1024093201. The next prime is 1024093207. The reversal of 1024093205 is 5023904201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 393982801 + 630110404 = 19849^2 + 25102^2 .

It is not a de Polignac number, because 1024093205 - 22 = 1024093201 is a prime.

It is a super-4 number, since 4×10240932054 (a number of 37 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1024093201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102409316 + ... + 102409325.

It is an arithmetic number, because the mean of its divisors is an integer number (307227963).

Almost surely, 21024093205 is an apocalyptic number.

It is an amenable number.

1024093205 is a deficient number, since it is larger than the sum of its proper divisors (204818647).

1024093205 is an equidigital number, since it uses as much as digits as its factorization.

1024093205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204818646.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1024093205 is about 32001.4562949876. The cubic root of 1024093205 is about 1007.9674199625.

Adding to 1024093205 its reverse (5023904201), we get a palindrome (6047997406).

The spelling of 1024093205 in words is "one billion, twenty-four million, ninety-three thousand, two hundred five".

Divisors: 1 5 204818641 1024093205