Search a number
-
+
28602133 = 722341619
BaseRepresentation
bin110110100011…
…0111100010101
31222211010202021
41231012330111
524310232013
62501013141
7465054100
oct155067425
958733667
1028602133
111516622a
1296b41b1
135c05951
143b27737
15279ea8d
hex1b46f15

28602133 has 24 divisors (see below), whose sum is σ = 35622720. Its totient is φ = 22841280.

The previous prime is 28602113. The next prime is 28602157. The reversal of 28602133 is 33120682.

It is not a de Polignac number, because 28602133 - 217 = 28471061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28602098 and 28602107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28602113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45898 + ... + 46516.

It is an arithmetic number, because the mean of its divisors is an integer number (1484280).

Almost surely, 228602133 is an apocalyptic number.

28602133 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

28602133 is a deficient number, since it is larger than the sum of its proper divisors (7020587).

28602133 is a wasteful number, since it uses less digits than its factorization.

28602133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697 (or 690 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 28602133 is about 5348.0962033232. The cubic root of 28602133 is about 305.8201807079.

The spelling of 28602133 in words is "twenty-eight million, six hundred two thousand, one hundred thirty-three".

Divisors: 1 7 23 41 49 161 287 619 943 1127 2009 4333 6601 14237 25379 30331 46207 99659 177653 583717 697613 1243571 4086019 28602133