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132421115 = 526484223
BaseRepresentation
bin1111110010010…
…01010111111011
3100020011200121202
413321021113323
5232344433430
621050124415
73165363251
oct771112773
9306150552
10132421115
1168825a42
123842070b
13215857b8
14138305d1
15b95ad45
hex7e495fb

132421115 has 4 divisors (see below), whose sum is σ = 158905344. Its totient is φ = 105936888.

The previous prime is 132421087. The next prime is 132421141. The reversal of 132421115 is 511124231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 511124231 = 4877104803.

It is a cyclic number.

It is not a de Polignac number, because 132421115 - 214 = 132404731 is a prime.

It is a Duffinian 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, 13242107 + ... + 13242116.

It is an arithmetic number, because the mean of its divisors is an integer number (39726336).

Almost surely, 2132421115 is an apocalyptic number.

132421115 is a deficient number, since it is larger than the sum of its proper divisors (26484229).

132421115 is an equidigital number, since it uses as much as digits as its factorization.

132421115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26484228.

The product of its digits is 240, while the sum is 20.

The square root of 132421115 is about 11507.4373776267. The cubic root of 132421115 is about 509.7052186013.

Adding to 132421115 its reverse (511124231), we get a palindrome (643545346).

The spelling of 132421115 in words is "one hundred thirty-two million, four hundred twenty-one thousand, one hundred fifteen".

Divisors: 1 5 26484223 132421115