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1243413352 = 23198180351
BaseRepresentation
bin100101000011100…
…1111101101101000
310012122200221110101
41022013033231220
510021303211402
6323214355144
742545560546
oct11207175550
93178627411
101243413352
11588968945
122a84bbab4
1316a7b485c
14bb1d0d96
1574263b87
hex4a1cfb68

1243413352 has 16 divisors (see below), whose sum is σ = 2454105600. Its totient is φ = 588985200.

The previous prime is 1243413331. The next prime is 1243413359. The reversal of 1243413352 is 2533143421.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1243413352.

It is not an unprimeable number, because it can be changed into a prime (1243413359) 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, 4090024 + ... + 4090327.

It is an arithmetic number, because the mean of its divisors is an integer number (153381600).

Almost surely, 21243413352 is an apocalyptic number.

It is an amenable number.

1243413352 is a deficient number, since it is larger than the sum of its proper divisors (1210692248).

1243413352 is a wasteful number, since it uses less digits than its factorization.

1243413352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8180376 (or 8180372 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 1243413352 is about 35262.0667573527. The cubic root of 1243413352 is about 1075.3219448928.

Adding to 1243413352 its reverse (2533143421), we get a palindrome (3776556773).

The spelling of 1243413352 in words is "one billion, two hundred forty-three million, four hundred thirteen thousand, three hundred fifty-two".

Divisors: 1 2 4 8 19 38 76 152 8180351 16360702 32721404 65442808 155426669 310853338 621706676 1243413352