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135768888 = 23324343853
BaseRepresentation
bin10000001011110…
…10101100111000
3100110110202220100
420011322230320
5234224101023
621245555400
73236005443
oct1005725470
9313422810
10135768888
116a7021a2
1239575b60
1322188528
141406265a
15bdbcc43
hex817ab38

135768888 has 48 divisors (see below), whose sum is σ = 376267320. Its totient is φ = 44202816.

The previous prime is 135768883. The next prime is 135768901. The reversal of 135768888 is 888867531.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135768883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18831 + ... + 25022.

Almost surely, 2135768888 is an apocalyptic number.

135768888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

135768888 is an abundant number, since it is smaller than the sum of its proper divisors (240498432).

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

135768888 is a wasteful number, since it uses less digits than its factorization.

135768888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43908 (or 43901 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 54.

The square root of 135768888 is about 11651.9907312013. The cubic root of 135768888 is about 513.9648519724.

The spelling of 135768888 in words is "one hundred thirty-five million, seven hundred sixty-eight thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 43 72 86 129 172 258 344 387 516 774 1032 1548 3096 43853 87706 131559 175412 263118 350824 394677 526236 789354 1052472 1578708 1885679 3157416 3771358 5657037 7542716 11314074 15085432 16971111 22628148 33942222 45256296 67884444 135768888