Search a number
-
+
28334592 = 2932111343
BaseRepresentation
bin110110000010…
…1101000000000
31222022112202100
41230011220000
524223201332
62451150400
7462561066
oct154055000
958275670
1028334592
1114aa3220
1295a5400
135b40c40
143a98036
15274a67c
hex1b05a00

28334592 has 240 divisors, whose sum is σ = 98306208. Its totient is φ = 7741440.

The previous prime is 28334591. The next prime is 28334599. The reversal of 28334592 is 29543382.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (51840) is a multiple of the sum of its prime divisors (72).

It is not an unprimeable number, because it can be changed into a prime (28334591) 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, 658923 + ... + 658965.

Almost surely, 228334592 is an apocalyptic number.

28334592 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28334592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49153104).

28334592 is an abundant number, since it is smaller than the sum of its proper divisors (69971616).

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

28334592 is a wasteful number, since it uses less digits than its factorization.

28334592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 72 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 28334592 is about 5323.0247040569. The cubic root of 28334592 is about 304.8636566985.

The spelling of 28334592 in words is "twenty-eight million, three hundred thirty-four thousand, five hundred ninety-two".