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135562660 = 22543283557
BaseRepresentation
bin10000001010010…
…00010110100100
3100110002022000021
420011020112210
5234201001120
621241324524
73234156262
oct1005102644
9313068007
10135562660
116a581262
1239496744
13221156bc
141400b432
15bd7baaa
hex81485a4

135562660 has 48 divisors (see below), whose sum is σ = 292856256. Its totient is φ = 52682112.

The previous prime is 135562649. The next prime is 135562681. The reversal of 135562660 is 66265531.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243102 + ... + 243658.

It is an arithmetic number, because the mean of its divisors is an integer number (6101172).

Almost surely, 2135562660 is an apocalyptic number.

135562660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135562660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146428128).

135562660 is an abundant number, since it is smaller than the sum of its proper divisors (157293596).

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

135562660 is a wasteful number, since it uses less digits than its factorization.

135562660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892 (or 890 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 135562660 is about 11643.1378931970. The cubic root of 135562660 is about 513.7044887984.

The spelling of 135562660 in words is "one hundred thirty-five million, five hundred sixty-two thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 43 86 172 215 283 430 557 566 860 1114 1132 1415 2228 2785 2830 5570 5660 11140 12169 23951 24338 47902 48676 60845 95804 119755 121690 157631 239510 243380 315262 479020 630524 788155 1576310 3152620 6778133 13556266 27112532 33890665 67781330 135562660