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135382580 = 22531593701
BaseRepresentation
bin10000001000111…
…00011000110100
3100102202010222122
420010130120310
5234124220310
621233415112
73232506254
oct1004343064
9312663878
10135382580
116a468a33
123940a498
1322081748
1413da1964
15bd43555
hex811c634

135382580 has 48 divisors (see below), whose sum is σ = 298529280. Its totient is φ = 51504000.

The previous prime is 135382571. The next prime is 135382601. The reversal of 135382580 is 85283531.

It is a self number, because there is not a number n which added to its sum of digits gives 135382580.

It is a congruent number.

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, 34730 + ... + 38430.

It is an arithmetic number, because the mean of its divisors is an integer number (6219360).

Almost surely, 2135382580 is an apocalyptic number.

135382580 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 135382580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149264640).

135382580 is an abundant number, since it is smaller than the sum of its proper divisors (163146700).

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

135382580 is a wasteful number, since it uses less digits than its factorization.

135382580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3800 (or 3798 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 135382580 is about 11635.4020128228. The cubic root of 135382580 is about 513.4769214708.

The spelling of 135382580 in words is "one hundred thirty-five million, three hundred eighty-two thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 31 59 62 118 124 155 236 295 310 590 620 1180 1829 3658 3701 7316 7402 9145 14804 18290 18505 36580 37010 74020 114731 218359 229462 436718 458924 573655 873436 1091795 1147310 2183590 2294620 4367180 6769129 13538258 27076516 33845645 67691290 135382580