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488471141 = 4779293449
BaseRepresentation
bin11101000111010…
…111101001100101
31021001010220102202
4131013113221211
52000022034031
6120245344245
715050636054
oct3507275145
91231126382
10488471141
11230802664
12117708085
137a2796a2
1448c3439b
152cd3c2cb
hex1d1d7a65

488471141 has 16 divisors (see below), whose sum is σ = 508032000. Its totient is φ = 469367808.

The previous prime is 488471129. The next prime is 488471173. The reversal of 488471141 is 141174884.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-488471141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 488471095 and 488471104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488471101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1087685 + ... + 1088133.

It is an arithmetic number, because the mean of its divisors is an integer number (31752000).

Almost surely, 2488471141 is an apocalyptic number.

It is an amenable number.

488471141 is a deficient number, since it is larger than the sum of its proper divisors (19560859).

488471141 is a wasteful number, since it uses less digits than its factorization.

488471141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868.

The product of its digits is 28672, while the sum is 38.

The square root of 488471141 is about 22101.3832372546. The cubic root of 488471141 is about 787.5527219595.

The spelling of 488471141 in words is "four hundred eighty-eight million, four hundred seventy-one thousand, one hundred forty-one".

Divisors: 1 47 79 293 449 3713 13771 21103 23147 35471 131557 1087909 1667137 6183179 10393003 488471141