Search a number
-
+
28267052 = 2211258403
BaseRepresentation
bin110101111010…
…1001000101100
31222012010002212
41223311020230
524214021202
62445505552
7462160142
oct153651054
958163085
1028267052
1114a57500
1295722b8
135b19288
143a7b592
152735652
hex1af522c

28267052 has 18 divisors (see below), whose sum is σ = 54374124. Its totient is φ = 12848440.

The previous prime is 28267027. The next prime is 28267067. The reversal of 28267052 is 25076282.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 28718 + ... + 29685.

Almost surely, 228267052 is an apocalyptic number.

28267052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28267052 is a deficient number, since it is larger than the sum of its proper divisors (26107072).

28267052 is a wasteful number, since it uses less digits than its factorization.

28267052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58429 (or 58416 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 28267052 is about 5316.6767815996. The cubic root of 28267052 is about 304.6212336642.

The spelling of 28267052 in words is "twenty-eight million, two hundred sixty-seven thousand, fifty-two".

Divisors: 1 2 4 11 22 44 121 242 484 58403 116806 233612 642433 1284866 2569732 7066763 14133526 28267052