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6139345 = 56120129
BaseRepresentation
bin10111011010110111010001
3102112220121011
4113122313101
53032424340
6335330521
7103116652
oct27326721
912486534
106139345
113513643
122080a41
13136c564
14b5b529
158140ea
hex5dadd1

6139345 has 8 divisors (see below), whose sum is σ = 7488360. Its totient is φ = 4830720.

The previous prime is 6139319. The next prime is 6139351. The reversal of 6139345 is 5439316.

It can be written as a sum of positive squares in 4 ways, for example, as 374544 + 5764801 = 612^2 + 2401^2 .

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

It is a de Polignac number, because none of the positive numbers 2k-6139345 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9760 + ... + 10369.

It is an arithmetic number, because the mean of its divisors is an integer number (936045).

Almost surely, 26139345 is an apocalyptic number.

It is an amenable number.

6139345 is a deficient number, since it is larger than the sum of its proper divisors (1349015).

6139345 is a wasteful number, since it uses less digits than its factorization.

6139345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20195.

The product of its digits is 9720, while the sum is 31.

The square root of 6139345 is about 2477.7701669041. The cubic root of 6139345 is about 183.1080115246.

The spelling of 6139345 in words is "six million, one hundred thirty-nine thousand, three hundred forty-five".

Divisors: 1 5 61 305 20129 100645 1227869 6139345