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488008000 = 265361001
BaseRepresentation
bin11101000101100…
…110100101000000
31021000021101010101
4131011212211000
51444412224000
6120231412144
715043666564
oct3505464500
91230241111
10488008000
112305166a7
12117524054
137a14693c
1448b536a4
152cc99e6a
hex1d166940

488008000 has 56 divisors (see below), whose sum is σ = 1208571624. Its totient is φ = 195200000.

The previous prime is 488007979. The next prime is 488008007. The reversal of 488008000 is 800884.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8573184 + 479434816 = 2928^2 + 21896^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 488008000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488008007) 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, 22501 + ... + 38500.

Almost surely, 2488008000 is an apocalyptic number.

488008000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

488008000 is an abundant number, since it is smaller than the sum of its proper divisors (720563624).

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

488008000 is an equidigital number, since it uses as much as digits as its factorization.

488008000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61028 (or 61008 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 488008000 is about 22090.9031051245. The cubic root of 488008000 is about 787.3037387796.

Adding to 488008000 its reverse (800884), we get a palindrome (488808884).

The spelling of 488008000 in words is "four hundred eighty-eight million, eight thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 320 400 500 800 1000 1600 2000 4000 8000 61001 122002 244004 305005 488008 610010 976016 1220020 1525025 1952032 2440040 3050050 3904064 4880080 6100100 7625125 9760160 12200200 15250250 19520320 24400400 30500500 48800800 61001000 97601600 122002000 244004000 488008000