Search a number
-
+
27929356 = 227132772
BaseRepresentation
bin110101010001…
…0101100001100
31221112221212121
41222202230030
524122214411
62434342324
7456252460
oct152425414
957487777
1027929356
1114846814
12942a9a4
135a2b660
1439d04a0
1526ba571
hex1aa2b0c

27929356 has 36 divisors (see below), whose sum is σ = 60373488. Its totient is φ = 11009088.

The previous prime is 27929333. The next prime is 27929371. The reversal of 27929356 is 65392972.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100690 + ... + 100966.

Almost surely, 227929356 is an apocalyptic number.

27929356 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27929356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30186744).

27929356 is an abundant number, since it is smaller than the sum of its proper divisors (32444132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27929356 is a wasteful number, since it uses less digits than its factorization.

27929356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578 (or 299 counting only the distinct ones).

The product of its digits is 204120, while the sum is 43.

The square root of 27929356 is about 5284.8231758499. The cubic root of 27929356 is about 303.4033049813.

The spelling of 27929356 in words is "twenty-seven million, nine hundred twenty-nine thousand, three hundred fifty-six".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 277 364 554 1108 1939 3601 3878 7202 7756 14404 25207 50414 76729 100828 153458 306916 537103 997477 1074206 1994954 2148412 3989908 6982339 13964678 27929356