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488669560 = 23525514789
BaseRepresentation
bin11101001000001…
…000000101111000
31021001111222121121
4131020020011320
52000044411220
6120253515024
715052423411
oct3510100570
91231458547
10488669560
11230928745
121177a2a74
137a318ab2
1448c86808
152cd7aeaa
hex1d208178

488669560 has 32 divisors (see below), whose sum is σ = 1100167200. Its totient is φ = 195350400.

The previous prime is 488669557. The next prime is 488669581. The reversal of 488669560 is 65966884.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 488669498 and 488669507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99646 + ... + 104434.

It is an arithmetic number, because the mean of its divisors is an integer number (34380225).

Almost surely, 2488669560 is an apocalyptic number.

488669560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

488669560 is an abundant number, since it is smaller than the sum of its proper divisors (611497640).

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

488669560 is a wasteful number, since it uses less digits than its factorization.

488669560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7351 (or 7347 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 52.

The square root of 488669560 is about 22105.8716181923. The cubic root of 488669560 is about 787.6593432496.

The spelling of 488669560 in words is "four hundred eighty-eight million, six hundred sixty-nine thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 2551 4789 5102 9578 10204 12755 19156 20408 23945 25510 38312 47890 51020 95780 102040 191560 12216739 24433478 48866956 61083695 97733912 122167390 244334780 488669560