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50668417 = 389130253
BaseRepresentation
bin1100000101001…
…0001110000001
310112100020000001
43001102032001
5100432342132
65010000001
71153450222
oct301221601
9115306001
1050668417
1126667a28
1214b76001
13a660717
146a2d249
1546acce7
hex3052381

50668417 has 4 divisors (see below), whose sum is σ = 50799060. Its totient is φ = 50537776.

The previous prime is 50668399. The next prime is 50668441. The reversal of 50668417 is 71486605.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14776336 + 35892081 = 3844^2 + 5991^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50668417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50668447) 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, 64738 + ... + 65515.

It is an arithmetic number, because the mean of its divisors is an integer number (12699765).

Almost surely, 250668417 is an apocalyptic number.

It is an amenable number.

50668417 is a deficient number, since it is larger than the sum of its proper divisors (130643).

50668417 is a wasteful number, since it uses less digits than its factorization.

50668417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130642.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 50668417 is about 7118.1751172614. The cubic root of 50668417 is about 370.0375345414.

The spelling of 50668417 in words is "fifty million, six hundred sixty-eight thousand, four hundred seventeen".

Divisors: 1 389 130253 50668417