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5138308 = 227183511
BaseRepresentation
bin10011100110011110000100
3100200001102201
4103212132010
52303411213
6302044244
761450330
oct23463604
910601381
105138308
11299a53a
121879684
1310aba26
1497a7c0
156b76dd
hex4e6784

5138308 has 12 divisors (see below), whose sum is σ = 10276672. Its totient is φ = 2202120.

The previous prime is 5138291. The next prime is 5138311. The reversal of 5138308 is 8038315.

5138308 is an admirable number.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 183511 = 5138308 / (5 + 1 + 3 + 8 + 3 + 0 + 8).

It is an Ulam number.

It is an unprimeable number.

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, 91728 + ... + 91783.

Almost surely, 25138308 is an apocalyptic number.

It is an amenable number.

5138308 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5138308 is a wasteful number, since it uses less digits than its factorization.

5138308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183522 (or 183520 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 5138308 is about 2266.7836244335. The cubic root of 5138308 is about 172.5599651496.

The spelling of 5138308 in words is "five million, one hundred thirty-eight thousand, three hundred eight".

Divisors: 1 2 4 7 14 28 183511 367022 734044 1284577 2569154 5138308