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50381353 = 1117269419
BaseRepresentation
bin1100000000110…
…0001000101001
310111210122020001
43000030020221
5100344200403
64555503001
71151143261
oct300141051
9114718201
1050381353
1126491290
1214a57a61
13a58cb69
1469967a1
154652c1d
hex300c229

50381353 has 8 divisors (see below), whose sum is σ = 58194720. Its totient is φ = 43106880.

The previous prime is 50381351. The next prime is 50381411. The reversal of 50381353 is 35318305.

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

It is a cyclic number.

It is not a de Polignac number, because 50381353 - 21 = 50381351 is a prime.

It is a super-2 number, since 2×503813532 = 5076561460221218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50381351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134523 + ... + 134896.

It is an arithmetic number, because the mean of its divisors is an integer number (7274340).

Almost surely, 250381353 is an apocalyptic number.

It is an amenable number.

50381353 is a deficient number, since it is larger than the sum of its proper divisors (7813367).

50381353 is a wasteful number, since it uses less digits than its factorization.

50381353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269447.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 50381353 is about 7097.9823189411. The cubic root of 50381353 is about 369.3373896828.

Adding to 50381353 its reverse (35318305), we get a palindrome (85699658).

The spelling of 50381353 in words is "fifty million, three hundred eighty-one thousand, three hundred fifty-three".

Divisors: 1 11 17 187 269419 2963609 4580123 50381353