Search a number
-
+
27121874 = 2131497001
BaseRepresentation
bin110011101110…
…1100011010010
31220000221012212
41213131203102
523420344444
62405152122
7446350343
oct147354322
956027185
1027121874
111434507a
1290bb642
135807c60
1438600ca
1525ab19e
hex19dd8d2

27121874 has 16 divisors (see below), whose sum is σ = 44112600. Its totient is φ = 12432000.

The previous prime is 27121811. The next prime is 27121889. The reversal of 27121874 is 47812172.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11950849 + 15171025 = 3457^2 + 3895^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27121874.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374 + ... + 7374.

Almost surely, 227121874 is an apocalyptic number.

27121874 is a deficient number, since it is larger than the sum of its proper divisors (16990726).

27121874 is a wasteful number, since it uses less digits than its factorization.

27121874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7165.

The product of its digits is 6272, while the sum is 32.

The square root of 27121874 is about 5207.8665497495. The cubic root of 27121874 is about 300.4507077213.

The spelling of 27121874 in words is "twenty-seven million, one hundred twenty-one thousand, eight hundred seventy-four".

Divisors: 1 2 13 26 149 298 1937 3874 7001 14002 91013 182026 1043149 2086298 13560937 27121874