Search a number
-
+
27139474 = 2109124493
BaseRepresentation
bin110011110000…
…1110110010010
31220001211100201
41213201312102
523421430344
62405405414
7446452555
oct147416622
956054321
1027139474
111435731a
12910986a
135812c7b
14386669c
1525b14d4
hex19e1d92

27139474 has 8 divisors (see below), whose sum is σ = 41083020. Its totient is φ = 13445136.

The previous prime is 27139459. The next prime is 27139481. The reversal of 27139474 is 47493172.

It can be written as a sum of positive squares in 2 ways, for example, as 26967249 + 172225 = 5193^2 + 415^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62029 + ... + 62464.

Almost surely, 227139474 is an apocalyptic number.

27139474 is a deficient number, since it is larger than the sum of its proper divisors (13943546).

27139474 is a wasteful number, since it uses less digits than its factorization.

27139474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124604.

The product of its digits is 42336, while the sum is 37.

The square root of 27139474 is about 5209.5560271486. The cubic root of 27139474 is about 300.5156834311.

The spelling of 27139474 in words is "twenty-seven million, one hundred thirty-nine thousand, four hundred seventy-four".

Divisors: 1 2 109 218 124493 248986 13569737 27139474