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5192221 = 31167491
BaseRepresentation
bin10011110011101000011101
3100202210101111
4103303220131
52312122341
6303142021
762063446
oct23635035
910683344
105192221
112a26aa1
1218a4911
1310ca428
149922cd
156c8681
hex4f3a1d

5192221 has 4 divisors (see below), whose sum is σ = 5359744. Its totient is φ = 5024700.

The previous prime is 5192219. The next prime is 5192233. The reversal of 5192221 is 1222915.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1222915 = 5244583.

It is a cyclic number.

It is not a de Polignac number, because 5192221 - 21 = 5192219 is a prime.

It is a Duffinian number.

5192221 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5192192 and 5192201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5192521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83715 + ... + 83776.

It is an arithmetic number, because the mean of its divisors is an integer number (1339936).

Almost surely, 25192221 is an apocalyptic number.

It is an amenable number.

5192221 is a deficient number, since it is larger than the sum of its proper divisors (167523).

5192221 is a wasteful number, since it uses less digits than its factorization.

5192221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167522.

The product of its digits is 360, while the sum is 22.

The square root of 5192221 is about 2278.6445532377. The cubic root of 5192221 is about 173.1613872610.

The spelling of 5192221 in words is "five million, one hundred ninety-two thousand, two hundred twenty-one".

Divisors: 1 31 167491 5192221