Search a number
-
+
28053344 = 251179697
BaseRepresentation
bin110101100000…
…0111101100000
31221210020221202
41223000331200
524140201334
62441140332
7460310114
oct153007540
957706852
1028053344
1114920990
12948a6a8
135a72c17
143a23744
1526e217e
hex1ac0f60

28053344 has 24 divisors (see below), whose sum is σ = 60251688. Its totient is φ = 12751360.

The previous prime is 28053343. The next prime is 28053401. The reversal of 28053344 is 44335082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28053343) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 39497 + ... + 40200.

It is an arithmetic number, because the mean of its divisors is an integer number (2510487).

Almost surely, 228053344 is an apocalyptic number.

It is an amenable number.

28053344 is an abundant number, since it is smaller than the sum of its proper divisors (32198344).

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

28053344 is a wasteful number, since it uses less digits than its factorization.

28053344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79718 (or 79710 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 28053344 is about 5296.5407578909. The cubic root of 28053344 is about 303.8516127155.

The spelling of 28053344 in words is "twenty-eight million, fifty-three thousand, three hundred forty-four".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 79697 159394 318788 637576 876667 1275152 1753334 2550304 3506668 7013336 14026672 28053344