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135800060 = 22511617273
BaseRepresentation
bin10000001100000…
…10010011111100
3100110112100122212
420012002103330
5234231100220
621250355552
73236165354
oct1006022374
9313470585
10135800060
116a723660
123958bbb8
1322199786
141406db64
15bdc70c5
hex81824fc

135800060 has 24 divisors (see below), whose sum is σ = 311106096. Its totient is φ = 49381760.

The previous prime is 135800059. The next prime is 135800099. The reversal of 135800060 is 60008531.

It is a junction number, because it is equal to n+sod(n) for n = 135799999 and 135800035.

It is a congruent number.

It is an unprimeable number.

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, 308417 + ... + 308856.

It is an arithmetic number, because the mean of its divisors is an integer number (12962754).

Almost surely, 2135800060 is an apocalyptic number.

135800060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135800060 is an abundant number, since it is smaller than the sum of its proper divisors (175306036).

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

135800060 is a wasteful number, since it uses less digits than its factorization.

135800060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617293 (or 617291 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 135800060 is about 11653.3282799379. The cubic root of 135800060 is about 514.0041837285.

Adding to 135800060 its reverse (60008531), we get a palindrome (195808591).

The spelling of 135800060 in words is "one hundred thirty-five million, eight hundred thousand, sixty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 617273 1234546 2469092 3086365 6172730 6790003 12345460 13580006 27160012 33950015 67900030 135800060