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1230004040 = 235227135463
BaseRepresentation
bin100100101010000…
…0101111101001000
310011201110200100012
41021110011331020
510004340112130
6322015131052
742323601416
oct11124057510
93151420305
101230004040
1158133a271
122a3b13a88
13167a9b255
14b95002b6
1572eb5995
hex49505f48

1230004040 has 32 divisors (see below), whose sum is σ = 2779721280. Its totient is φ = 489830592.

The previous prime is 1230004037. The next prime is 1230004073. The reversal of 1230004040 is 404000321.

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, 58652 + ... + 76811.

It is an arithmetic number, because the mean of its divisors is an integer number (86866290).

Almost surely, 21230004040 is an apocalyptic number.

1230004040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230004040 is an abundant number, since it is smaller than the sum of its proper divisors (1549717240).

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

1230004040 is a wasteful number, since it uses less digits than its factorization.

1230004040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135701 (or 135697 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1230004040 is about 35071.4134303139. The cubic root of 1230004040 is about 1071.4424427580.

Adding to 1230004040 its reverse (404000321), we get a palindrome (1634004361).

The spelling of 1230004040 in words is "one billion, two hundred thirty million, four thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 227 454 908 1135 1816 2270 4540 9080 135463 270926 541852 677315 1083704 1354630 2709260 5418520 30750101 61500202 123000404 153750505 246000808 307501010 615002020 1230004040