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50340681 = 325593409
BaseRepresentation
bin1100000000001…
…0001101001001
310111201120102200
43000002031021
5100341400211
64554550413
71150613556
oct300021511
9114646380
1050340681
1126463776
1214a38409
13a5774b1
146985a2d
154645b56
hex3002349

50340681 has 6 divisors (see below), whose sum is σ = 72714330. Its totient is φ = 33560448.

The previous prime is 50340679. The next prime is 50340691. The reversal of 50340681 is 18604305.

It can be written as a sum of positive squares in only one way, i.e., 45968400 + 4372281 = 6780^2 + 2091^2 .

It is not a de Polignac number, because 50340681 - 21 = 50340679 is a prime.

It is a super-2 number, since 2×503406812 = 5068368327087522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50340691) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2796696 + ... + 2796713.

It is an arithmetic number, because the mean of its divisors is an integer number (12119055).

Almost surely, 250340681 is an apocalyptic number.

It is an amenable number.

50340681 is a deficient number, since it is larger than the sum of its proper divisors (22373649).

50340681 is a wasteful number, since it uses less digits than its factorization.

50340681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5593415 (or 5593412 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 50340681 is about 7095.1167009430. The cubic root of 50340681 is about 369.2379763517.

Adding to 50340681 its reverse (18604305), we get a palindrome (68944986).

The spelling of 50340681 in words is "fifty million, three hundred forty thousand, six hundred eighty-one".

Divisors: 1 3 9 5593409 16780227 50340681