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488900008 = 231731115963
BaseRepresentation
bin11101001001000…
…000010110101000
31021001221200201201
4131021000112220
52000124300013
6120302453544
715054403312
oct3511002650
91231850651
10488900008
11230a758a3
121178942b4
137a39995c
1448d067b2
152cdc43dd
hex1d2405a8

488900008 has 32 divisors (see below), whose sum is σ = 1001928960. Its totient is φ = 222647040.

The previous prime is 488900003. The next prime is 488900021. The reversal of 488900008 is 800009884.

It is a self number, because there is not a number n which added to its sum of digits gives 488900008.

It is not an unprimeable number, because it can be changed into a prime (488900003) by changing a digit.

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, 53766 + ... + 62197.

It is an arithmetic number, because the mean of its divisors is an integer number (31310280).

Almost surely, 2488900008 is an apocalyptic number.

It is an amenable number.

488900008 is an abundant number, since it is smaller than the sum of its proper divisors (513028952).

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

488900008 is a wasteful number, since it uses less digits than its factorization.

488900008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116017 (or 116013 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 488900008 is about 22111.0833746336. The cubic root of 488900008 is about 787.7831392389.

The spelling of 488900008 in words is "four hundred eighty-eight million, nine hundred thousand, eight".

Divisors: 1 2 4 8 17 31 34 62 68 124 136 248 527 1054 2108 4216 115963 231926 463852 927704 1971371 3594853 3942742 7189706 7885484 14379412 15770968 28758824 61112501 122225002 244450004 488900008