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488302893 = 321313131859
BaseRepresentation
bin11101000110101…
…110100100101101
31021000211100122100
4131012232210231
52000001143033
6120242005313
715046335411
oct3506564455
91230740570
10488302893
112306a8211
12117646839
137a21ac30
1448bccd41
152cd07513
hex1d1ae92d

488302893 has 24 divisors (see below), whose sum is σ = 765404640. Its totient is φ = 298190880.

The previous prime is 488302891. The next prime is 488302897. The reversal of 488302893 is 398203884.

It is not a de Polignac number, because 488302893 - 21 = 488302891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488302891) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 603 + ... + 31256.

It is an arithmetic number, because the mean of its divisors is an integer number (31891860).

Almost surely, 2488302893 is an apocalyptic number.

It is an amenable number.

488302893 is a deficient number, since it is larger than the sum of its proper divisors (277101747).

488302893 is a wasteful number, since it uses less digits than its factorization.

488302893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32009 (or 32006 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 488302893 is about 22097.5766318391. The cubic root of 488302893 is about 787.4622905601.

Subtracting from 488302893 its reverse (398203884), we obtain a palindrome (90099009).

The spelling of 488302893 in words is "four hundred eighty-eight million, three hundred two thousand, eight hundred ninety-three".

Divisors: 1 3 9 13 39 117 131 393 1179 1703 5109 15327 31859 95577 286731 414167 1242501 3727503 4173529 12520587 37561761 54255877 162767631 488302893