Search a number
-
+
28532262 = 23111961373
BaseRepresentation
bin110110011010…
…1111000100110
31222200120220110
41230311320212
524301013022
62455313450
7464343303
oct154657046
958616813
1028532262
1115118790
12967b886
135bacbc5
143b0a0aa
15278900c
hex1b35e26

28532262 has 64 divisors (see below), whose sum is σ = 66781440. Its totient is φ = 8035200.

The previous prime is 28532261. The next prime is 28532267. The reversal of 28532262 is 26223582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28532261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76308 + ... + 76680.

It is an arithmetic number, because the mean of its divisors is an integer number (1043460).

Almost surely, 228532262 is an apocalyptic number.

28532262 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 28532262, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33390720).

28532262 is an abundant number, since it is smaller than the sum of its proper divisors (38249178).

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

28532262 is a wasteful number, since it uses less digits than its factorization.

28532262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469.

The product of its digits is 11520, while the sum is 30.

The square root of 28532262 is about 5341.5598845281. The cubic root of 28532262 is about 305.5709523824.

It can be divided in two parts, 2853 and 2262, that added together give a palindrome (5115).

The spelling of 28532262 in words is "twenty-eight million, five hundred thirty-two thousand, two hundred sixty-two".

Divisors: 1 2 3 6 11 19 22 33 38 57 61 66 114 122 183 209 366 373 418 627 671 746 1119 1159 1254 1342 2013 2238 2318 3477 4026 4103 6954 7087 8206 12309 12749 14174 21261 22753 24618 25498 38247 42522 45506 68259 76494 77957 136518 155914 233871 250283 432307 467742 500566 750849 864614 1296921 1501698 2593842 4755377 9510754 14266131 28532262