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1190200388 = 221322888469
BaseRepresentation
bin100011011110001…
…0000010001000100
310001221120102222212
41012330100101010
54414142403023
6314034042552
741331351656
oct10674202104
93057512885
101190200388
11560923193
12292719458
1315c772bb0
14b40dc6d6
156e751e78
hex46f10444

1190200388 has 12 divisors (see below), whose sum is σ = 2243070060. Its totient is φ = 549323232.

The previous prime is 1190200381. The next prime is 1190200393. The reversal of 1190200388 is 8830020911.

It can be written as a sum of positive squares in 2 ways, for example, as 561595204 + 628605184 = 23698^2 + 25072^2 .

It is not an unprimeable number, because it can be changed into a prime (1190200381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11444183 + ... + 11444286.

It is an arithmetic number, because the mean of its divisors is an integer number (186922505).

Almost surely, 21190200388 is an apocalyptic number.

It is an amenable number.

1190200388 is a deficient number, since it is larger than the sum of its proper divisors (1052869672).

1190200388 is a wasteful number, since it uses less digits than its factorization.

1190200388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22888486 (or 22888484 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 1190200388 is about 34499.2809780146. The cubic root of 1190200388 is about 1059.7579808209.

The spelling of 1190200388 in words is "one billion, one hundred ninety million, two hundred thousand, three hundred eighty-eight".

Divisors: 1 2 4 13 26 52 22888469 45776938 91553876 297550097 595100194 1190200388