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488867808 = 2531113149239
BaseRepresentation
bin11101001000111…
…000011111100000
31021001220001120010
4131020320133200
52000122232213
6120302044520
715054210402
oct3510703740
91231801503
10488867808
11230a53690
12117879740
137a3880c0
1448cd8b72
152cdb9ac3
hex1d2387e0

488867808 has 192 divisors, whose sum is σ = 1524096000. Its totient is φ = 135260160.

The previous prime is 488867801. The next prime is 488867809. The reversal of 488867808 is 808768884.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488867801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2045353 + ... + 2045591.

It is an arithmetic number, because the mean of its divisors is an integer number (7938000).

Almost surely, 2488867808 is an apocalyptic number.

488867808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 488867808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (762048000).

488867808 is an abundant number, since it is smaller than the sum of its proper divisors (1035228192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

488867808 is a wasteful number, since it uses less digits than its factorization.

488867808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 5505024, while the sum is 57.

The square root of 488867808 is about 22110.3552210271. The cubic root of 488867808 is about 787.7658438318.

The spelling of 488867808 in words is "four hundred eighty-eight million, eight hundred sixty-seven thousand, eight hundred eight".