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50405345 = 511389213
BaseRepresentation
bin1100000001000…
…1111111100001
310111211212010122
43000101333201
5100400432340
65000210025
71151303234
oct300217741
9114755118
1050405345
11264a8311
1214a69915
13a59aa63
1469a141b
154659db5
hex3011fe1

50405345 has 8 divisors (see below), whose sum is σ = 61022376. Its totient is φ = 39966976.

The previous prime is 50405317. The next prime is 50405387. The reversal of 50405345 is 54350405.

It can be written as a sum of positive squares in 4 ways, for example, as 1852321 + 48553024 = 1361^2 + 6968^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50405345 is a prime.

It is a Duffinian number.

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, 44042 + ... + 45171.

It is an arithmetic number, because the mean of its divisors is an integer number (7627797).

Almost surely, 250405345 is an apocalyptic number.

It is an amenable number.

50405345 is a deficient number, since it is larger than the sum of its proper divisors (10617031).

50405345 is a wasteful number, since it uses less digits than its factorization.

50405345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89331.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 50405345 is about 7099.6721755304. The cubic root of 50405345 is about 369.3960075107.

The spelling of 50405345 in words is "fifty million, four hundred five thousand, three hundred forty-five".

Divisors: 1 5 113 565 89213 446065 10081069 50405345