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5520257 = 171731877
BaseRepresentation
bin10101000011101110000001
3101101110100222
4111003232001
52403122012
6314152425
764631021
oct25035601
911343328
105520257
1131304a6
121a22715
1311b3832
14a39a81
15740972
hex543b81

5520257 has 8 divisors (see below), whose sum is σ = 5881896. Its totient is φ = 5162752.

The previous prime is 5520233. The next prime is 5520259. The reversal of 5520257 is 7520255.

It can be written as a sum of positive squares in 4 ways, for example, as 3083536 + 2436721 = 1756^2 + 1561^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5520257 - 28 = 5520001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5520259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2003 + ... + 3879.

It is an arithmetic number, because the mean of its divisors is an integer number (735237).

Almost surely, 25520257 is an apocalyptic number.

It is an amenable number.

5520257 is a deficient number, since it is larger than the sum of its proper divisors (361639).

5520257 is a wasteful number, since it uses less digits than its factorization.

5520257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067.

The product of its (nonzero) digits is 3500, while the sum is 26.

The square root of 5520257 is about 2349.5227174897. The cubic root of 5520257 is about 176.7338611529.

The spelling of 5520257 in words is "five million, five hundred twenty thousand, two hundred fifty-seven".

Divisors: 1 17 173 1877 2941 31909 324721 5520257