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1025488023 = 37341109223
BaseRepresentation
bin111101000111111…
…011010010010111
32122110122012002220
4331013323102113
54100011104043
6245431433423
734261335000
oct7507732227
92573565086
101025488023
1148695236a
12247525873
131345c2561
149a2a41a7
1560068483
hex3d1fb497

1025488023 has 64 divisors (see below), whose sum is σ = 1655808000. Its totient is φ = 563915520.

The previous prime is 1025488001. The next prime is 1025488067. The reversal of 1025488023 is 3208845201.

It is not a de Polignac number, because 1025488023 - 29 = 1025487511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025488073) 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 63 ways as a sum of consecutive naturals, for example, 4598490 + ... + 4598712.

It is an arithmetic number, because the mean of its divisors is an integer number (25872000).

Almost surely, 21025488023 is an apocalyptic number.

1025488023 is a deficient number, since it is larger than the sum of its proper divisors (630319977).

1025488023 is a wasteful number, since it uses less digits than its factorization.

1025488023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 1025488023 is about 32023.2419189563. The cubic root of 1025488023 is about 1008.4248305713.

The spelling of 1025488023 in words is "one billion, twenty-five million, four hundred eighty-eight thousand, twenty-three".

Divisors: 1 3 7 21 41 49 109 123 147 223 287 327 343 669 763 861 1029 1561 2009 2289 4469 4683 5341 6027 9143 10927 13407 14063 16023 24307 27429 31283 32781 37387 42189 64001 72921 76489 93849 112161 170149 192003 218981 229467 448007 510447 656943 996587 1191043 1344021 1532867 2989761 3136049 3573129 4598601 6976109 8337301 9408147 20928327 25011903 48832763 146498289 341829341 1025488023