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4243106838 = 232373341947
BaseRepresentation
bin1111110011101000…
…1010110000010110
3101221201011011100010
43330322022300112
532142213404323
61541012301050
7210101545605
oct37472126026
911851134303
104243106838
111888139a73
129a5011786
135280bc709
142c3757a3c
1519c796c93
hexfce8ac16

4243106838 has 32 divisors (see below), whose sum is σ = 8867471616. Its totient is φ = 1350996768.

The previous prime is 4243106837. The next prime is 4243106849. The reversal of 4243106838 is 8386013424.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4243106796 and 4243106805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243106837) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 80181 + ... + 122127.

It is an arithmetic number, because the mean of its divisors is an integer number (277108488).

Almost surely, 24243106838 is an apocalyptic number.

4243106838 is an abundant number, since it is smaller than the sum of its proper divisors (4624364778).

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

4243106838 is a wasteful number, since it uses less digits than its factorization.

4243106838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42708.

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 4243106838 is about 65139.1344584805. The cubic root of 4243106838 is about 1618.9296946395.

The spelling of 4243106838 in words is "four billion, two hundred forty-three million, one hundred six thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 23 46 69 138 733 1466 2199 4398 16859 33718 41947 50577 83894 101154 125841 251682 964781 1929562 2894343 5788686 30747151 61494302 92241453 184482906 707184473 1414368946 2121553419 4243106838