Search a number
-
+
28114060 = 22513108131
BaseRepresentation
bin110101100111…
…1110010001100
31221220100020111
41223033302030
524144122220
62442325404
7460652122
oct153176214
957810214
1028114060
1114962567
1294b9864
135a94750
143a3b912
15270515a
hex1acfc8c

28114060 has 24 divisors (see below), whose sum is σ = 63581616. Its totient is φ = 10380480.

The previous prime is 28114033. The next prime is 28114087. The reversal of 28114060 is 6041182.

It is an interprime number because it is at equal distance from previous prime (28114033) and next prime (28114087).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53806 + ... + 54325.

It is an arithmetic number, because the mean of its divisors is an integer number (2649234).

Almost surely, 228114060 is an apocalyptic number.

28114060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28114060 is an abundant number, since it is smaller than the sum of its proper divisors (35467556).

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

28114060 is a wasteful number, since it uses less digits than its factorization.

28114060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108153 (or 108151 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 28114060 is about 5302.2693254870. The cubic root of 28114060 is about 304.0706639747.

It can be divided in two parts, 281 and 14060, that added together give a palindrome (14341).

The spelling of 28114060 in words is "twenty-eight million, one hundred fourteen thousand, sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 108131 216262 432524 540655 1081310 1405703 2162620 2811406 5622812 7028515 14057030 28114060