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134215323 = 31117239243
BaseRepresentation
bin1111111111111…
…11011010011011
3100100112211210220
413333333122123
5233324342243
621152411123
73216545214
oct777773233
9310484726
10134215323
1169840a60
1238b46aa3
1321a63368
1413b7a40b
15bbb2783
hex7fff69b

134215323 has 16 divisors (see below), whose sum is σ = 206706816. Its totient is φ = 76557440.

The previous prime is 134215307. The next prime is 134215349. The reversal of 134215323 is 323512431.

It is a cyclic number.

It is not a de Polignac number, because 134215323 - 24 = 134215307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 134215293 and 134215302.

It is not an unprimeable number, because it can be changed into a prime (134215363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119061 + ... + 120182.

It is an arithmetic number, because the mean of its divisors is an integer number (12919176).

Almost surely, 2134215323 is an apocalyptic number.

134215323 is a deficient number, since it is larger than the sum of its proper divisors (72491493).

134215323 is a wasteful number, since it uses less digits than its factorization.

134215323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239274.

The product of its digits is 2160, while the sum is 24.

The square root of 134215323 is about 11585.1337066087. The cubic root of 134215323 is about 511.9969418661.

Adding to 134215323 its reverse (323512431), we get a palindrome (457727754).

The spelling of 134215323 in words is "one hundred thirty-four million, two hundred fifteen thousand, three hundred twenty-three".

Divisors: 1 3 11 17 33 51 187 561 239243 717729 2631673 4067131 7895019 12201393 44738441 134215323