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88004072238 = 2318777814249
BaseRepresentation
bin101000111110101110…
…0111001001100101110
322102011011012001221220
41101331130321030232
52420213020302423
6104232320404210
76233552162115
oct1217534711456
9272134161856
1088004072238
1134360006015
1215080476666
1383b6472634
14438bbc2c7c
1524510209e3
hex147d73932e

88004072238 has 16 divisors (see below), whose sum is σ = 176101938000. Its totient is φ = 29319058496.

The previous prime is 88004072237. The next prime is 88004072279. The reversal of 88004072238 is 83227040088.

It is a super-2 number, since 2×880040722382 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 88004072238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88004072231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3895863 + ... + 3918386.

It is an arithmetic number, because the mean of its divisors is an integer number (11006371125).

Almost surely, 288004072238 is an apocalyptic number.

88004072238 is an abundant number, since it is smaller than the sum of its proper divisors (88097865762).

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

88004072238 is a wasteful number, since it uses less digits than its factorization.

88004072238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7816131.

The product of its (nonzero) digits is 172032, while the sum is 42.

The spelling of 88004072238 in words is "eighty-eight billion, four million, seventy-two thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 1877 3754 5631 11262 7814249 15628498 23442747 46885494 14667345373 29334690746 44002036119 88004072238