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488985472 = 2729131731
BaseRepresentation
bin11101001001010…
…101001110000000
31021002010000222001
4131021111032000
52000140013342
6120304353344
715055210423
oct3511251600
91232100861
10488985472
11231024028
12117915854
137a3c9821
1448d299ba
152cdde8b7
hex1d255380

488985472 has 32 divisors (see below), whose sum is σ = 1007749800. Its totient is φ = 236060160.

The previous prime is 488985397. The next prime is 488985479. The reversal of 488985472 is 274589884.

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 not an unprimeable number, because it can be changed into a prime (488985479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62154 + ... + 69577.

Almost surely, 2488985472 is an apocalyptic number.

It is an amenable number.

488985472 is an abundant number, since it is smaller than the sum of its proper divisors (518764328).

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

488985472 is a wasteful number, since it uses less digits than its factorization.

488985472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131774 (or 131762 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 55.

The square root of 488985472 is about 22113.0158956213. The cubic root of 488985472 is about 787.8290403600.

The spelling of 488985472 in words is "four hundred eighty-eight million, nine hundred eighty-five thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 29 32 58 64 116 128 232 464 928 1856 3712 131731 263462 526924 1053848 2107696 3820199 4215392 7640398 8430784 15280796 16861568 30561592 61123184 122246368 244492736 488985472