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1023032345 = 5204606469
BaseRepresentation
bin111100111110100…
…011110000011001
32122022000102112212
4330332203300121
54043344013340
6245303044505
734231426406
oct7476436031
92568012485
101023032345
11485525385
12246740735
13133c428aa
1499c252ad
155ec30a65
hex3cfa3c19

1023032345 has 4 divisors (see below), whose sum is σ = 1227638820. Its totient is φ = 818425872.

The previous prime is 1023032303. The next prime is 1023032363. The reversal of 1023032345 is 5432303201.

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 516062089 + 506970256 = 22717^2 + 22516^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023032345 - 212 = 1023028249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1023032345.

It is an unprimeable number.

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, 102303230 + ... + 102303239.

It is an arithmetic number, because the mean of its divisors is an integer number (306909705).

Almost surely, 21023032345 is an apocalyptic number.

It is an amenable number.

1023032345 is a deficient number, since it is larger than the sum of its proper divisors (204606475).

1023032345 is an equidigital number, since it uses as much as digits as its factorization.

1023032345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204606474.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 1023032345 is about 31984.8768170209. The cubic root of 1023032345 is about 1007.6192479540.

Adding to 1023032345 its reverse (5432303201), we get a palindrome (6455335546).

The spelling of 1023032345 in words is "one billion, twenty-three million, thirty-two thousand, three hundred forty-five".

Divisors: 1 5 204606469 1023032345