Search a number
-
+
27877042 = 217819913
BaseRepresentation
bin110101001010…
…1111010110010
31221110022010001
41222111322302
524114031132
62433300214
7455644114
oct152257262
957408101
1027877042
1114810486
12940466a
135a108bb
1439b93b4
1526a9ce7
hex1a95eb2

27877042 has 8 divisors (see below), whose sum is σ = 44275356. Its totient is φ = 13118592.

The previous prime is 27877039. The next prime is 27877043. The reversal of 27877042 is 24077872.

It can be written as a sum of positive squares in 2 ways, for example, as 27657081 + 219961 = 5259^2 + 469^2 .

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 = 27876992 and 27877010.

It is not an unprimeable number, because it can be changed into a prime (27877043) 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, 409923 + ... + 409990.

Almost surely, 227877042 is an apocalyptic number.

27877042 is a deficient number, since it is larger than the sum of its proper divisors (16398314).

27877042 is a wasteful number, since it uses less digits than its factorization.

27877042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819932.

The product of its (nonzero) digits is 43904, while the sum is 37.

The square root of 27877042 is about 5279.8713999491. The cubic root of 27877042 is about 303.2137533995.

The spelling of 27877042 in words is "twenty-seven million, eight hundred seventy-seven thousand, forty-two".

Divisors: 1 2 17 34 819913 1639826 13938521 27877042