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488683047 = 32311036421
BaseRepresentation
bin11101001000001…
…011011000100111
31021001112200010010
4131020023120213
52000100324142
6120254101303
715052510626
oct3510133047
91231480103
10488683047
11230937896
121177aa833
137a321c88
1448c8b6bd
152cd7ee9c
hex1d20b627

488683047 has 16 divisors (see below), whose sum is σ = 680629248. Its totient is φ = 311292960.

The previous prime is 488683043. The next prime is 488683057. The reversal of 488683047 is 740386884.

It is not a de Polignac number, because 488683047 - 22 = 488683043 is a prime.

It is a super-2 number, since 2×4886830472 = 477622240850408418, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 488682987 and 488683005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488683043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72897 + ... + 79317.

It is an arithmetic number, because the mean of its divisors is an integer number (42539328).

Almost surely, 2488683047 is an apocalyptic number.

488683047 is a deficient number, since it is larger than the sum of its proper divisors (191946201).

488683047 is a wasteful number, since it uses less digits than its factorization.

488683047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7550.

The product of its (nonzero) digits is 1032192, while the sum is 48.

The square root of 488683047 is about 22106.1766707859. The cubic root of 488683047 is about 787.6665894986. Note that the first 3 decimals are identical.

It can be divided in two parts, 48868 and 3047, that added together give a palindrome (51915).

The spelling of 488683047 in words is "four hundred eighty-eight million, six hundred eighty-three thousand, forty-seven".

Divisors: 1 3 23 69 1103 3309 6421 19263 25369 76107 147683 443049 7082363 21247089 162894349 488683047