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5138345 = 55931733
BaseRepresentation
bin10011100110011110101001
3100200001111002
4103212132221
52303411340
6302044345
761450412
oct23463651
910601432
105138345
11299a573
1218796b5
1310aba54
1497a809
156b7715
hex4e67a9

5138345 has 8 divisors (see below), whose sum is σ = 6179976. Its totient is φ = 4101376.

The previous prime is 5138333. The next prime is 5138347. The reversal of 5138345 is 5438315.

It can be written as a sum of positive squares in 4 ways, for example, as 609961 + 4528384 = 781^2 + 2128^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 5138345 - 212 = 5134249 is a prime.

It is a d-powerful number, because it can be written as 53 + 1 + 39 + 87 + 39 + 410 + 59 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5138347) 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 7 ways as a sum of consecutive naturals, for example, 2099 + ... + 3831.

It is an arithmetic number, because the mean of its divisors is an integer number (772497).

Almost surely, 25138345 is an apocalyptic number.

It is an amenable number.

5138345 is a deficient number, since it is larger than the sum of its proper divisors (1041631).

5138345 is a wasteful number, since it uses less digits than its factorization.

5138345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2331.

The product of its digits is 7200, while the sum is 29.

The square root of 5138345 is about 2266.7917857624. The cubic root of 5138345 is about 172.5603793393.

The spelling of 5138345 in words is "five million, one hundred thirty-eight thousand, three hundred forty-five".

Divisors: 1 5 593 1733 2965 8665 1027669 5138345