Search a number
-
+
135275450 = 2522705509
BaseRepresentation
bin10000001000000…
…10001110111010
3100102112201000212
420010002032322
5234112303300
621231231122
73231552032
oct1004021672
9312481025
10135275450
116a3a54a2
12393784a2
1322044a5b
1413d748c2
15bd21935
hex81023ba

135275450 has 12 divisors (see below), whose sum is σ = 251612430. Its totient is φ = 54110160.

The previous prime is 135275411. The next prime is 135275453. The reversal of 135275450 is 54572531.

It can be written as a sum of positive squares in 3 ways, for example, as 81414529 + 53860921 = 9023^2 + 7339^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (135275453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1352705 + ... + 1352804.

Almost surely, 2135275450 is an apocalyptic number.

135275450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135275450 is a deficient number, since it is larger than the sum of its proper divisors (116336980).

135275450 is a wasteful number, since it uses less digits than its factorization.

135275450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2705521 (or 2705516 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 135275450 is about 11630.7974791069. The cubic root of 135275450 is about 513.3414454032.

The spelling of 135275450 in words is "one hundred thirty-five million, two hundred seventy-five thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 2705509 5411018 13527545 27055090 67637725 135275450