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488143636 = 22457267037
BaseRepresentation
bin11101000110000…
…111101100010100
31021000112021011221
4131012013230110
51444431044021
6120234340124
715045103201
oct3506075424
91230467157
10488143636
112305a95a2
1211758a644
137a1935b6
1448b8aca8
152ccc5241
hex1d187b14

488143636 has 12 divisors (see below), whose sum is σ = 856123828. Its totient is φ = 243536832.

The previous prime is 488143633. The next prime is 488143679. The reversal of 488143636 is 636341884.

It can be written as a sum of positive squares in 2 ways, for example, as 277022736 + 211120900 = 16644^2 + 14530^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 488143592 and 488143601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488143633) 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, 131691 + ... + 135346.

Almost surely, 2488143636 is an apocalyptic number.

It is an amenable number.

488143636 is a deficient number, since it is larger than the sum of its proper divisors (367980192).

488143636 is a wasteful number, since it uses less digits than its factorization.

488143636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267498 (or 267496 counting only the distinct ones).

The product of its digits is 331776, while the sum is 43.

The square root of 488143636 is about 22093.9728432892. The cubic root of 488143636 is about 787.3766725827.

The spelling of 488143636 in words is "four hundred eighty-eight million, one hundred forty-three thousand, six hundred thirty-six".

Divisors: 1 2 4 457 914 1828 267037 534074 1068148 122035909 244071818 488143636