Search a number
-
+
476816481 = 3252979609
BaseRepresentation
bin11100011010111…
…010010001100001
31020020012210020200
4130122322101201
51434031111411
6115151455413
714546605341
oct3432722141
91206183220
10476816481
11225172309
12113827569
1377a2893b
144747cd21
152bcd8e56
hex1c6ba461

476816481 has 6 divisors (see below), whose sum is σ = 688734930. Its totient is φ = 317877648.

The previous prime is 476816479. The next prime is 476816507. The reversal of 476816481 is 184618674.

It can be written as a sum of positive squares in only one way, i.e., 453690000 + 23126481 = 21300^2 + 4809^2 .

It is not a de Polignac number, because 476816481 - 21 = 476816479 is a prime.

It is a super-2 number, since 2×4768164812 = 454707913106446722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (476816281) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26489796 + ... + 26489813.

It is an arithmetic number, because the mean of its divisors is an integer number (114789155).

Almost surely, 2476816481 is an apocalyptic number.

It is an amenable number.

476816481 is a deficient number, since it is larger than the sum of its proper divisors (211918449).

476816481 is a wasteful number, since it uses less digits than its factorization.

476816481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52979615 (or 52979612 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 476816481 is about 21836.1278847693. The cubic root of 476816481 is about 781.2387073269.

The spelling of 476816481 in words is "four hundred seventy-six million, eight hundred sixteen thousand, four hundred eighty-one".

Divisors: 1 3 9 52979609 158938827 476816481