Search a number
-
+
271390156 = 22232949893
BaseRepresentation
bin10000001011010…
…001010111001100
3200220200001022021
4100023101113030
51023433441111
642532455524
76503530642
oct2013212714
9626601267
10271390156
1112a213494
1276a7a5a4
13442c17bb
1428087192
1518c5bd71
hex102d15cc

271390156 has 12 divisors (see below), whose sum is σ = 495582192. Its totient is φ = 129795248.

The previous prime is 271390139. The next prime is 271390169. The reversal of 271390156 is 651093172.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1474855 + ... + 1475038.

It is an arithmetic number, because the mean of its divisors is an integer number (41298516).

Almost surely, 2271390156 is an apocalyptic number.

It is an amenable number.

271390156 is a deficient number, since it is larger than the sum of its proper divisors (224192036).

271390156 is a wasteful number, since it uses less digits than its factorization.

271390156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2949920 (or 2949918 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 271390156 is about 16473.9235156656. The cubic root of 271390156 is about 647.4377680534.

The spelling of 271390156 in words is "two hundred seventy-one million, three hundred ninety thousand, one hundred fifty-six".

Divisors: 1 2 4 23 46 92 2949893 5899786 11799572 67847539 135695078 271390156