Search a number
-
+
1230010304 = 2647408913
BaseRepresentation
bin100100101010000…
…0111011111000000
310011201110222221012
41021110013133000
510004340312204
6322015220052
742323625605
oct11124073700
93151428835
101230010304
11581343a46
122a3b17628
13167aa1063
14b95026ac
1572eb776e
hex495077c0

1230010304 has 28 divisors (see below), whose sum is σ = 2492739744. Its totient is φ = 601918464.

The previous prime is 1230010303. The next prime is 1230010357. The reversal of 1230010304 is 4030100321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230010303) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 201449 + ... + 207464.

Almost surely, 21230010304 is an apocalyptic number.

It is an amenable number.

1230010304 is an abundant number, since it is smaller than the sum of its proper divisors (1262729440).

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

1230010304 is an equidigital number, since it uses as much as digits as its factorization.

1230010304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408972 (or 408962 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1230010304 is about 35071.5027337010. The cubic root of 1230010304 is about 1071.4442615878. Note that the first 3 decimals are identical.

Adding to 1230010304 its reverse (4030100321), we get a palindrome (5260110625).

The spelling of 1230010304 in words is "one billion, two hundred thirty million, ten thousand, three hundred four".

Divisors: 1 2 4 8 16 32 47 64 94 188 376 752 1504 3008 408913 817826 1635652 3271304 6542608 13085216 19218911 26170432 38437822 76875644 153751288 307502576 615005152 1230010304