Search a number
-
+
135622580 = 2256781129
BaseRepresentation
bin10000001010101…
…10111110110100
3100110012100012112
420011112332310
5234204410310
621242510152
73234526052
oct1005267664
9313170175
10135622580
116a612285
1239505358
1322136a62
14140251d2
15bd8e705
hex8156fb4

135622580 has 12 divisors (see below), whose sum is σ = 284807460. Its totient is φ = 54249024.

The previous prime is 135622573. The next prime is 135622603. The reversal of 135622580 is 85226531.

135622580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 86229796 + 49392784 = 9286^2 + 7028^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3390545 + ... + 3390584.

It is an arithmetic number, because the mean of its divisors is an integer number (23733955).

Almost surely, 2135622580 is an apocalyptic number.

135622580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135622580 is an abundant number, since it is smaller than the sum of its proper divisors (149184880).

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

135622580 is a wasteful number, since it uses less digits than its factorization.

135622580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6781138 (or 6781136 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 135622580 is about 11645.7107984013. The cubic root of 135622580 is about 513.7801650918.

The spelling of 135622580 in words is "one hundred thirty-five million, six hundred twenty-two thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 6781129 13562258 27124516 33905645 67811290 135622580