Search a number
-
+
488825808 = 24323442777
BaseRepresentation
bin11101001000101…
…110001111010000
31021001210220221120
4131020232033100
52000114411213
6120301122240
715053644062
oct3510561720
91231726846
10488825808
11230a25079
12117859380
137a371c53
1448cc7732
152cdac423
hex1d22e3d0

488825808 has 40 divisors (see below), whose sum is σ = 1317707328. Its totient is φ = 155857152.

The previous prime is 488825801. The next prime is 488825809. The reversal of 488825808 is 808528884.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488825801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220285 + ... + 222492.

Almost surely, 2488825808 is an apocalyptic number.

488825808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

488825808 is an abundant number, since it is smaller than the sum of its proper divisors (828881520).

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

488825808 is a wasteful number, since it uses less digits than its factorization.

488825808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442811 (or 442805 counting only the distinct ones).

The product of its (nonzero) digits is 1310720, while the sum is 51.

The square root of 488825808 is about 22109.4054194137. The cubic root of 488825808 is about 787.7432834637.

The spelling of 488825808 in words is "four hundred eighty-eight million, eight hundred twenty-five thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 12 16 23 24 46 48 69 92 138 184 276 368 552 1104 442777 885554 1328331 1771108 2656662 3542216 5313324 7084432 10183871 10626648 20367742 21253296 30551613 40735484 61103226 81470968 122206452 162941936 244412904 488825808