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50681469 = 316893823
BaseRepresentation
bin1100000101010…
…1011001111101
310112100212220110
43001111121331
5100433301334
65010140233
71153533246
oct301253175
9115325813
1050681469
1126676813
1214b81679
13a666647
146a33ccd
1546b1ae9
hex305567d

50681469 has 4 divisors (see below), whose sum is σ = 67575296. Its totient is φ = 33787644.

The previous prime is 50681467. The next prime is 50681479. The reversal of 50681469 is 96418605.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 50681469 - 21 = 50681467 is a prime.

It is a super-2 number, since 2×506814692 = 5137222599995922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50681467) 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, 8446909 + ... + 8446914.

It is an arithmetic number, because the mean of its divisors is an integer number (16893824).

Almost surely, 250681469 is an apocalyptic number.

It is an amenable number.

50681469 is a deficient number, since it is larger than the sum of its proper divisors (16893827).

50681469 is a wasteful number, since it uses less digits than its factorization.

50681469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16893826.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 50681469 is about 7119.0918662425. The cubic root of 50681469 is about 370.0693052547.

The spelling of 50681469 in words is "fifty million, six hundred eighty-one thousand, four hundred sixty-nine".

Divisors: 1 3 16893823 50681469