[go: up one dir, main page]

Search a number
-
+
215442114 = 23178920071
BaseRepresentation
bin11001101011101…
…10001011000010
3120000101121000120
430311312023002
5420123121424
633213401110
75224141056
oct1465661302
9500347016
10215442114
1110067a938
1260199196
1335832c54
1420881c66
1513da9a79
hexcd762c2

215442114 has 16 divisors (see below), whose sum is σ = 431146560. Its totient is φ = 71770320.

The previous prime is 215442067. The next prime is 215442133. The reversal of 215442114 is 411244512.

215442114 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 699 + ... + 20769.

It is an arithmetic number, because the mean of its divisors is an integer number (26946660).

Almost surely, 2215442114 is an apocalyptic number.

215442114 is an abundant number, since it is smaller than the sum of its proper divisors (215704446).

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

215442114 is a wasteful number, since it uses less digits than its factorization.

215442114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21865.

The product of its digits is 1280, while the sum is 24.

The square root of 215442114 is about 14677.9465185018. The cubic root of 215442114 is about 599.4829935240.

Adding to 215442114 its reverse (411244512), we get a palindrome (626686626).

The spelling of 215442114 in words is "two hundred fifteen million, four hundred forty-two thousand, one hundred fourteen".

Divisors: 1 2 3 6 1789 3578 5367 10734 20071 40142 60213 120426 35907019 71814038 107721057 215442114