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488281283 = 7232131861
BaseRepresentation
bin11101000110101…
…001010011000011
31021000210020222222
4131012221103003
52000000000113
6120241321255
715046215410
oct3506512303
91230706888
10488281283
11230692a56
1211763622b
137a211149
1448bc5107
152cd00e08
hex1d1a94c3

488281283 has 12 divisors (see below), whose sum is σ = 583357488. Its totient is φ = 400326960.

The previous prime is 488281243. The next prime is 488281291. The reversal of 488281283 is 382182884.

It is not a de Polignac number, because 488281283 - 224 = 471504067 is a prime.

It is a super-2 number, since 2×4882812832 = 476837222656252178, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (488281223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62228 + ... + 69633.

It is an arithmetic number, because the mean of its divisors is an integer number (48613124).

Almost surely, 2488281283 is an apocalyptic number.

488281283 is a deficient number, since it is larger than the sum of its proper divisors (95076205).

488281283 is a wasteful number, since it uses less digits than its factorization.

488281283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131914 (or 131891 counting only the distinct ones).

The product of its digits is 196608, while the sum is 44.

The square root of 488281283 is about 22097.0876587844. The cubic root of 488281283 is about 787.4506739240.

The spelling of 488281283 in words is "four hundred eighty-eight million, two hundred eighty-one thousand, two hundred eighty-three".

Divisors: 1 7 23 161 529 3703 131861 923027 3032803 21229621 69754469 488281283