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1243323352 = 23155415419
BaseRepresentation
bin100101000011011…
…1001101111011000
310012122112101000001
41022012321233120
510021242321402
6323212422344
742545034265
oct11206715730
93178471001
101243323352
11588907267
122a84779b4
1316a7828bb
14bb1aa26c
1574247187
hex4a1b9bd8

1243323352 has 8 divisors (see below), whose sum is σ = 2331231300. Its totient is φ = 621661672.

The previous prime is 1243323337. The next prime is 1243323353. The reversal of 1243323352 is 2533233421.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1243323352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243323353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77707702 + ... + 77707717.

Almost surely, 21243323352 is an apocalyptic number.

It is an amenable number.

1243323352 is a deficient number, since it is larger than the sum of its proper divisors (1087907948).

1243323352 is a wasteful number, since it uses less digits than its factorization.

1243323352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155415425 (or 155415421 counting only the distinct ones).

The product of its digits is 12960, while the sum is 28.

The square root of 1243323352 is about 35260.7905753686. The cubic root of 1243323352 is about 1075.2959998306.

Adding to 1243323352 its reverse (2533233421), we get a palindrome (3776556773).

The spelling of 1243323352 in words is "one billion, two hundred forty-three million, three hundred twenty-three thousand, three hundred fifty-two".

Divisors: 1 2 4 8 155415419 310830838 621661676 1243323352