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488667840 = 26351973367
BaseRepresentation
bin11101001000000…
…111101011000000
31021001111220020220
4131020013223000
52000044332330
6120253503040
715052415403
oct3510075300
91231456226
10488667840
11230927421
121177a1a80
137a31808b
1448c85d3a
152cd7a710
hex1d207ac0

488667840 has 224 divisors, whose sum is σ = 1660062720. Its totient is φ = 121430016.

The previous prime is 488667833. The next prime is 488667841. The reversal of 488667840 is 48766884.

It is not an unprimeable number, because it can be changed into a prime (488667841) 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, 1331337 + ... + 1331703.

Almost surely, 2488667840 is an apocalyptic number.

488667840 is a gapful number since it is divisible by the number (40) 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 488667840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (830031360).

488667840 is an abundant number, since it is smaller than the sum of its proper divisors (1171394880).

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

488667840 is a wasteful number, since it uses less digits than its factorization.

488667840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 469 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 51.

The square root of 488667840 is about 22105.8327144670. The cubic root of 488667840 is about 787.6584191244.

The spelling of 488667840 in words is "four hundred eighty-eight million, six hundred sixty-seven thousand, eight hundred forty".