Search a number
-
+
2828148 = 223235679
BaseRepresentation
bin1010110010011101110100
312022200111020
422302131310
51211000043
6140341140
733016221
oct12623564
95280436
102828148
111661914
12b447b0
1378037b
14538948
153ace83
hex2b2774

2828148 has 12 divisors (see below), whose sum is σ = 6599040. Its totient is φ = 942712.

The previous prime is 2828141. The next prime is 2828173. The reversal of 2828148 is 8418282.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×28281483 = 67862155995398333376, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2828141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117828 + ... + 117851.

It is an arithmetic number, because the mean of its divisors is an integer number (549920).

22828148 is an apocalyptic number.

It is an amenable number.

2828148 is an abundant number, since it is smaller than the sum of its proper divisors (3770892).

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

2828148 is a wasteful number, since it uses less digits than its factorization.

2828148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235686 (or 235684 counting only the distinct ones).

The product of its digits is 8192, while the sum is 33.

The square root of 2828148 is about 1681.7098441765. The cubic root of 2828148 is about 141.4167040052.

The spelling of 2828148 in words is "two million, eight hundred twenty-eight thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 235679 471358 707037 942716 1414074 2828148