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1230323452 = 222313373081
BaseRepresentation
bin100100101010101…
…0011111011111100
310011202001220111021
41021111103323330
510004430322302
6322030033524
742326401561
oct11125237374
93152056437
101230323452
11581538246
122a40488a4
13167b80757
14b9584868
157302a437
hex49553efc

1230323452 has 12 divisors (see below), whose sum is σ = 2246677776. Its totient is φ = 588415520.

The previous prime is 1230323441. The next prime is 1230323453. The reversal of 1230323452 is 2543230321.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230323453) 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, 6686449 + ... + 6686632.

It is an arithmetic number, because the mean of its divisors is an integer number (187223148).

Almost surely, 21230323452 is an apocalyptic number.

It is an amenable number.

1230323452 is a deficient number, since it is larger than the sum of its proper divisors (1016354324).

1230323452 is a wasteful number, since it uses less digits than its factorization.

1230323452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13373108 (or 13373106 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 1230323452 is about 35075.9668719196. The cubic root of 1230323452 is about 1071.5351801102.

Adding to 1230323452 its reverse (2543230321), we get a palindrome (3773553773).

The spelling of 1230323452 in words is "one billion, two hundred thirty million, three hundred twenty-three thousand, four hundred fifty-two".

Divisors: 1 2 4 23 46 92 13373081 26746162 53492324 307580863 615161726 1230323452