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1230440204 = 227153128703
BaseRepresentation
bin100100101010111…
…0000011100001100
310011202021211122102
41021111300130030
510004443041304
6322032334232
742330366140
oct11125603414
93152254572
101230440204
11581607a34
122a40a4378
13167bc1936
14b95b5220
157304ed1e
hex4957070c

1230440204 has 24 divisors (see below), whose sum is σ = 2462573568. Its totient is φ = 526968720.

The previous prime is 1230440149. The next prime is 1230440257. The reversal of 1230440204 is 4020440321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28517 + ... + 57219.

It is an arithmetic number, because the mean of its divisors is an integer number (102607232).

Almost surely, 21230440204 is an apocalyptic number.

1230440204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1230440204 is an abundant number, since it is smaller than the sum of its proper divisors (1232133364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230440204 is a wasteful number, since it uses less digits than its factorization.

1230440204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30245 (or 30243 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1230440204 is about 35077.6311058771. The cubic root of 1230440204 is about 1071.5690736142.

Adding to 1230440204 its reverse (4020440321), we get a palindrome (5250880525).

The spelling of 1230440204 in words is "one billion, two hundred thirty million, four hundred forty thousand, two hundred four".

Divisors: 1 2 4 7 14 28 1531 3062 6124 10717 21434 28703 42868 57406 114812 200921 401842 803684 43944293 87888586 175777172 307610051 615220102 1230440204