Search a number
-
+
228100532 = 22115184103
BaseRepresentation
bin11011001100010…
…00100110110100
3120220012201002212
431212020212310
5431343204112
634344552552
75436552062
oct1546104664
9526181085
10228100532
11107836340
1264482758
133834583a
1422419032
151505a522
hexd9889b4

228100532 has 12 divisors (see below), whose sum is σ = 435464736. Its totient is φ = 103682040.

The previous prime is 228100501. The next prime is 228100601. The reversal of 228100532 is 235001822.

It is a junction number, because it is equal to n+sod(n) for n = 228100498 and 228100507.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2592008 + ... + 2592095.

It is an arithmetic number, because the mean of its divisors is an integer number (36288728).

Almost surely, 2228100532 is an apocalyptic number.

228100532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

228100532 is a deficient number, since it is larger than the sum of its proper divisors (207364204).

228100532 is a wasteful number, since it uses less digits than its factorization.

228100532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5184118 (or 5184116 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 228100532 is about 15102.9974508374. The cubic root of 228100532 is about 611.0012509316.

The spelling of 228100532 in words is "two hundred twenty-eight million, one hundred thousand, five hundred thirty-two".

Divisors: 1 2 4 11 22 44 5184103 10368206 20736412 57025133 114050266 228100532