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5206401 = 32578489
BaseRepresentation
bin10011110111000110000001
3100210111211200
4103313012001
52313101101
6303331413
762153004
oct23670601
910714750
105206401
112a36712
1218b0b69
131103a15
1499753b
156cc986
hex4f7181

5206401 has 6 divisors (see below), whose sum is σ = 7520370. Its totient is φ = 3470928.

The previous prime is 5206393. The next prime is 5206417. The reversal of 5206401 is 1046025.

It is a happy number.

5206401 is a `hidden beast` number, since 5 + 20 + 640 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5130225 + 76176 = 2265^2 + 276^2 .

It is not a de Polignac number, because 5206401 - 23 = 5206393 is a prime.

It is a super-2 number, since 2×52064012 = 54213222745602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5201401) 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 5 ways as a sum of consecutive naturals, for example, 289236 + ... + 289253.

It is an arithmetic number, because the mean of its divisors is an integer number (1253395).

Almost surely, 25206401 is an apocalyptic number.

It is an amenable number.

5206401 is a deficient number, since it is larger than the sum of its proper divisors (2313969).

5206401 is a wasteful number, since it uses less digits than its factorization.

5206401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578495 (or 578492 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 5206401 is about 2281.7539306420. The cubic root of 5206401 is about 173.3188790544.

The spelling of 5206401 in words is "five million, two hundred six thousand, four hundred one".

Divisors: 1 3 9 578489 1735467 5206401