Search a number
-
+
2881472 = 26114093
BaseRepresentation
bin1010111111011111000000
312102101122012
422333133000
51214201342
6141432052
733330536
oct12773700
95371565
102881472
111698990
12b6b628
1379b719
14550156
153bdb82
hex2bf7c0

2881472 has 28 divisors (see below), whose sum is σ = 6239256. Its totient is φ = 1309440.

The previous prime is 2881471. The next prime is 2881499. The reversal of 2881472 is 2741882.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2881471) by changing a digit.

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, 1343 + ... + 2750.

22881472 is an apocalyptic number.

2881472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2881472 is an abundant number, since it is smaller than the sum of its proper divisors (3357784).

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

2881472 is a wasteful number, since it uses less digits than its factorization.

2881472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4116 (or 4106 counting only the distinct ones).

The product of its digits is 7168, while the sum is 32.

The square root of 2881472 is about 1697.4899116048. The cubic root of 2881472 is about 142.2999676203.

The spelling of 2881472 in words is "two million, eight hundred eighty-one thousand, four hundred seventy-two".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 176 352 704 4093 8186 16372 32744 45023 65488 90046 130976 180092 261952 360184 720368 1440736 2881472