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1236070228 = 22868135597
BaseRepresentation
bin100100110101100…
…1110111101010100
310012010212212120211
41021223032331110
510012413221403
6322353135204
742426265201
oct11153167524
93163785524
101236070228
11584802948
122a5b5a504
13169113403
14ba23cca8
15737b306d
hex49acef54

1236070228 has 12 divisors (see below), whose sum is σ = 2163432852. Its totient is φ = 617946560.

The previous prime is 1236070183. The next prime is 1236070243. The reversal of 1236070228 is 8220706321.

It can be written as a sum of positive squares in 2 ways, for example, as 560174224 + 675896004 = 23668^2 + 25998^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1236070228.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16926 + ... + 52522.

It is an arithmetic number, because the mean of its divisors is an integer number (180286071).

Almost surely, 21236070228 is an apocalyptic number.

It is an amenable number.

1236070228 is a deficient number, since it is larger than the sum of its proper divisors (927362624).

1236070228 is a wasteful number, since it uses less digits than its factorization.

1236070228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44282 (or 44280 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 1236070228 is about 35157.7904311406. The cubic root of 1236070228 is about 1073.2009506709.

Adding to 1236070228 its reverse (8220706321), we get a palindrome (9456776549).

The spelling of 1236070228 in words is "one billion, two hundred thirty-six million, seventy thousand, two hundred twenty-eight".

Divisors: 1 2 4 8681 17362 34724 35597 71194 142388 309017557 618035114 1236070228