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88138608 = 24317108013
BaseRepresentation
bin1010100000011…
…10001101110000
320010211220102220
411100032031300
5140030413413
612425041040
72120110605
oct520161560
9203756386
1088138608
114582a928
1225626180
131534c92c
14b9c46ac
157b10223
hex540e370

88138608 has 40 divisors (see below), whose sum is σ = 241087248. Its totient is φ = 27651072.

The previous prime is 88138607. The next prime is 88138621. The reversal of 88138608 is 80683188.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 88138608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88138601) 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 7 ways as a sum of consecutive naturals, for example, 53191 + ... + 54822.

Almost surely, 288138608 is an apocalyptic number.

It is an amenable number.

88138608 is an abundant number, since it is smaller than the sum of its proper divisors (152948640).

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

88138608 is a wasteful number, since it uses less digits than its factorization.

88138608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108041 (or 108035 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 42.

The square root of 88138608 is about 9388.2164440324. The cubic root of 88138608 is about 445.0294269982.

The spelling of 88138608 in words is "eighty-eight million, one hundred thirty-eight thousand, six hundred eight".

Divisors: 1 2 3 4 6 8 12 16 17 24 34 48 51 68 102 136 204 272 408 816 108013 216026 324039 432052 648078 864104 1296156 1728208 1836221 2592312 3672442 5184624 5508663 7344884 11017326 14689768 22034652 29379536 44069304 88138608