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5550231 = 36732749
BaseRepresentation
bin10101001011000010010111
3101102222111010
4111023002113
52410101411
6314543303
765114301
oct25130227
911388433
105550231
113150a75
121a37b33
1311c437b
14a46971
157497a6
hex54b097

5550231 has 8 divisors (see below), whose sum is σ = 7414000. Its totient is φ = 3693312.

The previous prime is 5550229. The next prime is 5550257. The reversal of 5550231 is 1320555.

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

It is not a de Polignac number, because 5550231 - 21 = 5550229 is a prime.

It is a super-2 number, since 2×55502312 = 61610128306722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5550198 and 5550207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5550431) 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 7 ways as a sum of consecutive naturals, for example, 645 + ... + 3393.

It is an arithmetic number, because the mean of its divisors is an integer number (926750).

Almost surely, 25550231 is an apocalyptic number.

5550231 is a deficient number, since it is larger than the sum of its proper divisors (1863769).

5550231 is a wasteful number, since it uses less digits than its factorization.

5550231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3425.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 5550231 is about 2355.8928243874. The cubic root of 5550231 is about 177.0531615985.

Adding to 5550231 its reverse (1320555), we get a palindrome (6870786).

The spelling of 5550231 in words is "five million, five hundred fifty thousand, two hundred thirty-one".

Divisors: 1 3 673 2019 2749 8247 1850077 5550231