Search a number
-
+
418214077 = 1045340009
BaseRepresentation
bin11000111011010…
…111000010111101
31002010221110212021
4120323113002331
51324030322302
6105255440141
713235522011
oct3073270275
91063843767
10418214077
111a5086476
12b8086051
136884ab68
143d786541
1526ab0437
hex18ed70bd

418214077 has 4 divisors (see below), whose sum is σ = 418264540. Its totient is φ = 418163616.

The previous prime is 418214053. The next prime is 418214107. The reversal of 418214077 is 770412814.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 415303641 + 2910436 = 20379^2 + 1706^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-418214077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (418214177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9552 + ... + 30457.

It is an arithmetic number, because the mean of its divisors is an integer number (104566135).

Almost surely, 2418214077 is an apocalyptic number.

It is an amenable number.

418214077 is a deficient number, since it is larger than the sum of its proper divisors (50463).

418214077 is a wasteful number, since it uses less digits than its factorization.

418214077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50462.

The product of its (nonzero) digits is 12544, while the sum is 34.

The square root of 418214077 is about 20450.2830542758. The cubic root of 418214077 is about 747.8242584499.

The spelling of 418214077 in words is "four hundred eighteen million, two hundred fourteen thousand, seventy-seven".

Divisors: 1 10453 40009 418214077