Search a number
-
+
8142418 = 2101173233
BaseRepresentation
bin11111000011111001010010
3120022200022001
4133003321102
54041024133
6450304214
7126131554
oct37037122
916280261
108142418
114661579
12288806a
1318c11cb
14111d4d4
15aac87d
hex7c3e52

8142418 has 16 divisors (see below), whose sum is σ = 12459096. Its totient is φ = 3990400.

The previous prime is 8142401. The next prime is 8142467.

8142418 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 8139609 + 2809 = 2853^2 + 53^2 .

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34830 + ... + 35062.

Almost surely, 28142418 is an apocalyptic number.

8142418 is a deficient number, since it is larger than the sum of its proper divisors (4316678).

8142418 is a wasteful number, since it uses less digits than its factorization.

8142418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509.

The product of its digits is 2048, while the sum is 28.

The square root of 8142418 is about 2853.4922463536. The cubic root of 8142418 is about 201.1798428346.

The spelling of 8142418 in words is "eight million, one hundred forty-two thousand, four hundred eighteen".

Divisors: 1 2 101 173 202 233 346 466 17473 23533 34946 40309 47066 80618 4071209 8142418