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5238280 = 235130957
BaseRepresentation
bin10011111110111000001000
3100212010120101
4103332320020
52320111110
6304135144
762344645
oct23767010
910763511
105238280
112a58663
1219074b4
131115398
149a4dcc
156d713a
hex4fee08

5238280 has 16 divisors (see below), whose sum is σ = 11786220. Its totient is φ = 2095296.

The previous prime is 5238257. The next prime is 5238293. The reversal of 5238280 is 828325.

It can be written as a sum of positive squares in 2 ways, for example, as 4778596 + 459684 = 2186^2 + 678^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65439 + ... + 65518.

Almost surely, 25238280 is an apocalyptic number.

It is an amenable number.

5238280 is an abundant number, since it is smaller than the sum of its proper divisors (6547940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5238280 is a wasteful number, since it uses less digits than its factorization.

5238280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130968 (or 130964 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 5238280 is about 2288.7289048727. The cubic root of 5238280 is about 173.6719056255.

The spelling of 5238280 in words is "five million, two hundred thirty-eight thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 130957 261914 523828 654785 1047656 1309570 2619140 5238280