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4038387842 = 217717972099
BaseRepresentation
bin1111000010110100…
…1110100010000010
3101102102221100200002
43300231032202002
531232311402332
61504420400002
7202034505326
oct36055164202
911372840602
104038387842
111792623615
12948546002
134c4872508
142a44a7986
15189809562
hexf0b4e882

4038387842 has 32 divisors (see below), whose sum is σ = 6515510400. Its totient is φ = 1870408960.

The previous prime is 4038387833. The next prime is 4038387919. The reversal of 4038387842 is 2487838304.

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, 1922909 + ... + 1925007.

It is an arithmetic number, because the mean of its divisors is an integer number (203609700).

Almost surely, 24038387842 is an apocalyptic number.

4038387842 is a deficient number, since it is larger than the sum of its proper divisors (2477122558).

4038387842 is a wasteful number, since it uses less digits than its factorization.

4038387842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2986.

The product of its (nonzero) digits is 1032192, while the sum is 47.

The square root of 4038387842 is about 63548.3110869203. The cubic root of 4038387842 is about 1592.4629683981.

The spelling of 4038387842 in words is "four billion, thirty-eight million, three hundred eighty-seven thousand, eight hundred forty-two".

Divisors: 1 2 17 34 71 142 797 1207 1594 2099 2414 4198 13549 27098 35683 56587 71366 113174 149029 298058 961979 1672903 1923958 2533493 3345806 5066986 28439351 56878702 118776113 237552226 2019193921 4038387842