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88236393 = 3718012333
BaseRepresentation
bin1010100001001…
…10000101101001
320011000212120120
411100212011221
5140042031033
612431113453
72120665650
oct520460551
9204025516
1088236393
1145897343
1225672889
13153852ab
14ba0c197
157b2e1b3
hex5426169

88236393 has 16 divisors (see below), whose sum is σ = 134587776. Its totient is φ = 50371200.

The previous prime is 88236391. The next prime is 88236419. The reversal of 88236393 is 39363288.

It is not a de Polignac number, because 88236393 - 21 = 88236391 is a prime.

It is a super-2 number, since 2×882363932 = 15571322099300898, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (88236391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36655 + ... + 38987.

It is an arithmetic number, because the mean of its divisors is an integer number (8411736).

Almost surely, 288236393 is an apocalyptic number.

It is an amenable number.

88236393 is a deficient number, since it is larger than the sum of its proper divisors (46351383).

88236393 is a wasteful number, since it uses less digits than its factorization.

88236393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4144.

The product of its digits is 186624, while the sum is 42.

The square root of 88236393 is about 9393.4228585750. The cubic root of 88236393 is about 445.1939448339.

It can be divided in two parts, 882363 and 93, that added together give a triangular number (882456 = T1328).

The spelling of 88236393 in words is "eighty-eight million, two hundred thirty-six thousand, three hundred ninety-three".

Divisors: 1 3 7 21 1801 2333 5403 6999 12607 16331 37821 48993 4201733 12605199 29412131 88236393