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1230004564 = 2289238821
BaseRepresentation
bin100100101010000…
…0110000101010100
310011201110201001121
41021110012011110
510004340121224
6322015133324
742323603065
oct11124060524
93151421047
101230004564
1158133a6a8
122a3b14244
13167a9b569
14b950056c
1572eb5be4
hex49506154

1230004564 has 18 divisors (see below), whose sum is σ = 2177021294. Its totient is φ = 608076480.

The previous prime is 1230004547. The next prime is 1230004597. The reversal of 1230004564 is 4654000321.

It can be written as a sum of positive squares in 3 ways, for example, as 16875664 + 1213128900 = 4108^2 + 34830^2 .

It is a super-2 number, since 2×12300045642 = 3025822454921660192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12274 + ... + 51094.

Almost surely, 21230004564 is an apocalyptic number.

It is an amenable number.

1230004564 is a deficient number, since it is larger than the sum of its proper divisors (947016730).

1230004564 is an equidigital number, since it uses as much as digits as its factorization.

1230004564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39003 (or 38912 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1230004564 is about 35071.4209007847. The cubic root of 1230004564 is about 1071.4425949081.

Adding to 1230004564 its reverse (4654000321), we get a palindrome (5884004885).

The spelling of 1230004564 in words is "one billion, two hundred thirty million, four thousand, five hundred sixty-four".

Divisors: 1 2 4 89 178 356 7921 15842 31684 38821 77642 155284 3455069 6910138 13820276 307501141 615002282 1230004564