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471421 = 1972393
BaseRepresentation
bin1110011000101111101
3212221200001
41303011331
5110041141
614034301
74002256
oct1630575
9787601
10471421
112a2205
121a8991
13136762
14c3b2d
1594a31
hex7317d

471421 has 4 divisors (see below), whose sum is σ = 474012. Its totient is φ = 468832.

The previous prime is 471407. The next prime is 471439. The reversal of 471421 is 124174.

471421 = 4852 + 4862.

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

It can be written as a sum of positive squares in 2 ways, for example, as 236196 + 235225 = 486^2 + 485^2 .

It is a cyclic number.

It is not a de Polignac number, because 471421 - 25 = 471389 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 (471451) 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, 1000 + ... + 1393.

It is an arithmetic number, because the mean of its divisors is an integer number (118503).

2471421 is an apocalyptic number.

471421 is the 486-th centered square number.

It is an amenable number.

471421 is a deficient number, since it is larger than the sum of its proper divisors (2591).

471421 is a wasteful number, since it uses less digits than its factorization.

471421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2590.

The product of its digits is 224, while the sum is 19.

The square root of 471421 is about 686.6010486447. The cubic root of 471421 is about 77.8280784979.

Adding to 471421 its reverse (124174), we get a palindrome (595595).

The spelling of 471421 in words is "four hundred seventy-one thousand, four hundred twenty-one", and thus it is an iban number.

Divisors: 1 197 2393 471421