Search a number
-
+
469378879 = 487963817
BaseRepresentation
bin11011111110100…
…010011100111111
31012201012220202221
4123332202130333
51430130111004
6114324230211
714426440354
oct3376423477
91181186687
10469378879
11220a52332
1211123b367
13763234a8
14464a462b
152b31a354
hex1bfa273f

469378879 has 4 divisors (see below), whose sum is σ = 470343184. Its totient is φ = 468414576.

The previous prime is 469378867. The next prime is 469378883. The reversal of 469378879 is 978873964.

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

It is a cyclic number.

It is not a de Polignac number, because 469378879 - 29 = 469378367 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 (469378859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481422 + ... + 482395.

It is an arithmetic number, because the mean of its divisors is an integer number (117585796).

Almost surely, 2469378879 is an apocalyptic number.

469378879 is a deficient number, since it is larger than the sum of its proper divisors (964305).

469378879 is an equidigital number, since it uses as much as digits as its factorization.

469378879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964304.

The product of its digits is 18289152, while the sum is 61.

The square root of 469378879 is about 21665.1535651146. The cubic root of 469378879 is about 777.1553620538.

The spelling of 469378879 in words is "four hundred sixty-nine million, three hundred seventy-eight thousand, eight hundred seventy-nine".

Divisors: 1 487 963817 469378879