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1244012052 = 223791797331
BaseRepresentation
bin100101000100110…
…0001111000010100
310012200211100201110
41022021201320110
510021431341202
6323235255020
742553633203
oct11211417024
93180740643
101244012052
11589237738
122a874a470
1316a96420a
14bb30923a
157433126c
hex4a261e14

1244012052 has 48 divisors (see below), whose sum is σ = 2956262400. Its totient is φ = 407078880.

The previous prime is 1244012047. The next prime is 1244012071. The reversal of 1244012052 is 2502104421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166027 + ... + 173357.

It is an arithmetic number, because the mean of its divisors is an integer number (61588800).

Almost surely, 21244012052 is an apocalyptic number.

1244012052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1244012052 is an abundant number, since it is smaller than the sum of its proper divisors (1712250348).

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

1244012052 is a wasteful number, since it uses less digits than its factorization.

1244012052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7596 (or 7594 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1244012052 is about 35270.5550282385. Note that the first 3 decimals coincide. The cubic root of 1244012052 is about 1075.4945053548.

Adding to 1244012052 its reverse (2502104421), we get a palindrome (3746116473).

The spelling of 1244012052 in words is "one billion, two hundred forty-four million, twelve thousand, fifty-two".

Divisors: 1 2 3 4 6 12 79 158 179 237 316 358 474 537 716 948 1074 2148 7331 14141 14662 21993 28282 29324 42423 43986 56564 84846 87972 169692 579149 1158298 1312249 1737447 2316596 2624498 3474894 3936747 5248996 6949788 7873494 15746988 103667671 207335342 311003013 414670684 622006026 1244012052