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1313490488 = 23241681271
BaseRepresentation
bin100111001001010…
…0100011000111000
310101112120020012212
41032102210120320
510142223143423
6334200354252
744356325222
oct11622443070
93345506185
101313490488
11614481932
12307a75988
1317c17c50b
14c6633412
157a4a7578
hex4e4a4638

1313490488 has 16 divisors (see below), whose sum is σ = 2473017360. Its totient is φ = 654019200.

The previous prime is 1313490487. The next prime is 1313490517. The reversal of 1313490488 is 8840943131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313490487) 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 3 ways as a sum of consecutive naturals, for example, 338708 + ... + 342563.

It is an arithmetic number, because the mean of its divisors is an integer number (154563585).

Almost surely, 21313490488 is an apocalyptic number.

It is an amenable number.

1313490488 is a deficient number, since it is larger than the sum of its proper divisors (1159526872).

1313490488 is a wasteful number, since it uses less digits than its factorization.

1313490488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681518 (or 681514 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 1313490488 is about 36242.1093205128. The cubic root of 1313490488 is about 1095.1551354743.

The spelling of 1313490488 in words is "one billion, three hundred thirteen million, four hundred ninety thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 241 482 964 1928 681271 1362542 2725084 5450168 164186311 328372622 656745244 1313490488