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5550247 = 22324889
BaseRepresentation
bin10101001011000010100111
3101102222111201
4111023002213
52410101442
6314543331
765114323
oct25130247
911388451
105550247
113150a8a
121a37b47
1311c4391
14a46983
157497b7
hex54b0a7

5550247 has 4 divisors (see below), whose sum is σ = 5575360. Its totient is φ = 5525136.

The previous prime is 5550229. The next prime is 5550257. The reversal of 5550247 is 7420555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7420555 = 51484111.

It is a cyclic number.

It is not a de Polignac number, because 5550247 - 219 = 5025959 is a prime.

It is a super-2 number, since 2×55502472 = 61610483522018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5550217) 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 3 ways as a sum of consecutive naturals, for example, 12222 + ... + 12667.

It is an arithmetic number, because the mean of its divisors is an integer number (1393840).

Almost surely, 25550247 is an apocalyptic number.

5550247 is a deficient number, since it is larger than the sum of its proper divisors (25113).

5550247 is a wasteful number, since it uses less digits than its factorization.

5550247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25112.

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 5550247 is about 2355.8962201252. The cubic root of 5550247 is about 177.0533317325.

The spelling of 5550247 in words is "five million, five hundred fifty thousand, two hundred forty-seven".

Divisors: 1 223 24889 5550247