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1024245407 = 19237397331
BaseRepresentation
bin111101000011001…
…011111010011111
32122101022001120002
4331003023322133
54044201323112
6245345044515
734244641133
oct7503137237
92571261502
101024245407
11486183809
1224702673b
13134278a93
149a05d3c3
155edc01c2
hex3d0cbe9f

1024245407 has 32 divisors (see below), whose sum is σ = 1155678720. Its totient is φ = 903260160.

The previous prime is 1024245401. The next prime is 1024245451. The reversal of 1024245407 is 7045424201.

It is a cyclic number.

It is not a de Polignac number, because 1024245407 - 212 = 1024241311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1024245407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1024245401) 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 31 ways as a sum of consecutive naturals, for example, 3094232 + ... + 3094562.

It is an arithmetic number, because the mean of its divisors is an integer number (36114960).

Almost surely, 21024245407 is an apocalyptic number.

1024245407 is a deficient number, since it is larger than the sum of its proper divisors (131433313).

1024245407 is a wasteful number, since it uses less digits than its factorization.

1024245407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543.

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 1024245407 is about 32003.8342546639. The cubic root of 1024245407 is about 1008.0173526108.

Adding to 1024245407 its reverse (7045424201), we get a palindrome (8069669608).

The spelling of 1024245407 in words is "one billion, twenty-four million, two hundred forty-five thousand, four hundred seven".

Divisors: 1 19 23 73 97 331 437 1387 1679 1843 2231 6289 7081 7613 24163 31901 32107 42389 134539 144647 162863 459097 555749 610033 738461 2343811 3094397 10559231 14030759 44532409 53907653 1024245407