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487881088 = 2719200609
BaseRepresentation
bin11101000101000…
…111100110000000
31021000000221000221
4131011013212000
51444344143323
6120224552424
715042630562
oct3505074600
91230027027
10487881088
1123043a312
12117482714
137a100c46
1448b1d332
152cc7255d
hex1d147980

487881088 has 32 divisors (see below), whose sum is σ = 1023111000. Its totient is φ = 231100416.

The previous prime is 487881071. The next prime is 487881101. The reversal of 487881088 is 880188784.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97873 + ... + 102736.

Almost surely, 2487881088 is an apocalyptic number.

It is an amenable number.

487881088 is an abundant number, since it is smaller than the sum of its proper divisors (535229912).

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

487881088 is a wasteful number, since it uses less digits than its factorization.

487881088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200642 (or 200630 counting only the distinct ones).

The product of its (nonzero) digits is 917504, while the sum is 52.

The square root of 487881088 is about 22088.0304237386. The cubic root of 487881088 is about 787.2354837818.

The spelling of 487881088 in words is "four hundred eighty-seven million, eight hundred eighty-one thousand, eighty-eight".

Divisors: 1 2 4 8 16 19 32 38 64 76 128 152 304 608 1216 2432 200609 401218 802436 1604872 3209744 3811571 6419488 7623142 12838976 15246284 25677952 30492568 60985136 121970272 243940544 487881088