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2538437434 = 213543717957
BaseRepresentation
bin1001011101001101…
…0111101100111010
320112220111222112021
42113103113230322
520144314444214
61055515305054
7116622235141
oct22723275472
96486458467
102538437434
111092977685
125aa14b18a
13315b999b0
141a11b8758
15eccbe924
hex974d7b3a

2538437434 has 16 divisors (see below), whose sum is σ = 4101535368. Its totient is φ = 1171305792.

The previous prime is 2538437431. The next prime is 2538437443. The reversal of 2538437434 is 4347348352.

It can be written as a sum of positive squares in 4 ways, for example, as 2465420409 + 73017025 = 49653^2 + 8545^2 .

It is not an unprimeable number, because it can be changed into a prime (2538437431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132384 + ... + 150340.

Almost surely, 22538437434 is an apocalyptic number.

2538437434 is a deficient number, since it is larger than the sum of its proper divisors (1563097934).

2538437434 is a wasteful number, since it uses less digits than its factorization.

2538437434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23409.

The product of its digits is 967680, while the sum is 43.

The square root of 2538437434 is about 50382.9081534601. The cubic root of 2538437434 is about 1364.1291450863.

The spelling of 2538437434 in words is "two billion, five hundred thirty-eight million, four hundred thirty-seven thousand, four hundred thirty-four".

Divisors: 1 2 13 26 5437 10874 17957 35914 70681 141362 233441 466882 97632209 195264418 1269218717 2538437434