Search a number
-
+
472219 = 1142929
BaseRepresentation
bin1110011010010011011
3212222202121
41303102123
5110102334
614042111
74004506
oct1632233
9788677
10472219
112a2870
121a9337
13136c27
14c413d
1594db4
hex7349b

472219 has 4 divisors (see below), whose sum is σ = 515160. Its totient is φ = 429280.

The previous prime is 472193. The next prime is 472247. The reversal of 472219 is 912274.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-472219 is a prime.

It is a super-2 number, since 2×4722192 = 445981567922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 472193 and 472202.

It is not an unprimeable number, because it can be changed into a prime (472249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21454 + ... + 21475.

It is an arithmetic number, because the mean of its divisors is an integer number (128790).

2472219 is an apocalyptic number.

472219 is a deficient number, since it is larger than the sum of its proper divisors (42941).

472219 is a wasteful number, since it uses less digits than its factorization.

472219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42940.

The product of its digits is 1008, while the sum is 25.

The square root of 472219 is about 687.1819264212. The cubic root of 472219 is about 77.8719683512.

The spelling of 472219 in words is "four hundred seventy-two thousand, two hundred nineteen".

Divisors: 1 11 42929 472219