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864360038 = 23643118633
BaseRepresentation
bin110011100001010…
…001011001100110
32020020110001001202
4303201101121212
53232234010123
6221434122502
730263640053
oct6341213146
92206401052
10864360038
114039aa543
12201580432
1310a0c8559
1482b2002a
1550d3ba28
hex33851666

864360038 has 8 divisors (see below), whose sum is σ = 1296906888. Its totient is φ = 432057744.

The previous prime is 864360031. The next prime is 864360041. The reversal of 864360038 is 830063468.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×8643600382 = 1494236550582722888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 864359983 and 864360010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864360031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52031 + ... + 66602.

It is an arithmetic number, because the mean of its divisors is an integer number (162113361).

Almost surely, 2864360038 is an apocalyptic number.

864360038 is a deficient number, since it is larger than the sum of its proper divisors (432546850).

864360038 is a wasteful number, since it uses less digits than its factorization.

864360038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122278.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 864360038 is about 29400.0006462585. Note that the first 3 decimals coincide. The cubic root of 864360038 is about 952.5729101928.

Subtracting from 864360038 its sum of digits (38), we obtain a square (864360000 = 294002).

The spelling of 864360038 in words is "eight hundred sixty-four million, three hundred sixty thousand, thirty-eight".

Divisors: 1 2 3643 7286 118633 237266 432180019 864360038