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5211238 = 28331393
BaseRepresentation
bin10011111000010001100110
3100210202110211
4103320101212
52313224423
6303410034
762203054
oct23702146
910722424
105211238
112a3a30a
1218b391a
131105c96
149991d4
156ce10d
hex4f8466

5211238 has 8 divisors (see below), whose sum is σ = 7911288. Its totient is φ = 2574144.

The previous prime is 5211233. The next prime is 5211247. The reversal of 5211238 is 8321125.

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

It is a super-4 number, since 4×52112384 (a number of 28 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5211233) 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, 15531 + ... + 15862.

It is an arithmetic number, because the mean of its divisors is an integer number (988911).

Almost surely, 25211238 is an apocalyptic number.

5211238 is a deficient number, since it is larger than the sum of its proper divisors (2700050).

5211238 is a wasteful number, since it uses less digits than its factorization.

5211238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31478.

The product of its digits is 480, while the sum is 22.

The square root of 5211238 is about 2282.8136148183. The cubic root of 5211238 is about 173.3725363333.

The spelling of 5211238 in words is "five million, two hundred eleven thousand, two hundred thirty-eight".

Divisors: 1 2 83 166 31393 62786 2605619 5211238