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50405434 = 256944293
BaseRepresentation
bin1100000001001…
…0000000111010
310111211212020221
43000102000322
5100400433214
65000210254
71151303422
oct300220072
9114755227
1050405434
11264a8392
1214a6998a
13a59ab01
1469a1482
154659e24
hex301203a

50405434 has 8 divisors (see below), whose sum is σ = 75742740. Its totient is φ = 25157856.

The previous prime is 50405401. The next prime is 50405437. The reversal of 50405434 is 43450405.

It can be written as a sum of positive squares in 2 ways, for example, as 50367409 + 38025 = 7097^2 + 195^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 50405399 and 50405408.

It is not an unprimeable number, because it can be changed into a prime (50405437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21009 + ... + 23284.

Almost surely, 250405434 is an apocalyptic number.

50405434 is a deficient number, since it is larger than the sum of its proper divisors (25337306).

50405434 is a wasteful number, since it uses less digits than its factorization.

50405434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44864.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 50405434 is about 7099.6784434226. The cubic root of 50405434 is about 369.3962249230.

Adding to 50405434 its reverse (43450405), we get a palindrome (93855839).

The spelling of 50405434 in words is "fifty million, four hundred five thousand, four hundred thirty-four".

Divisors: 1 2 569 1138 44293 88586 25202717 50405434