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2144148 = 223197907
BaseRepresentation
bin1000001011011110010100
311000221012220
420023132110
51022103043
6113542340
724140106
oct10133624
94027186
102144148
111234a26
128749b0
135a0c36
143db576
152c5483
hex20b794

2144148 has 24 divisors (see below), whose sum is σ = 5033952. Its totient is φ = 710304.

The previous prime is 2144143. The next prime is 2144161. The reversal of 2144148 is 8414412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1911 + ... + 2817.

It is an arithmetic number, because the mean of its divisors is an integer number (209748).

22144148 is an apocalyptic number.

It is an amenable number.

2144148 is an abundant number, since it is smaller than the sum of its proper divisors (2889804).

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

2144148 is a wasteful number, since it uses less digits than its factorization.

2144148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111 (or 1109 counting only the distinct ones).

The product of its digits is 1024, while the sum is 24.

The square root of 2144148 is about 1464.2909546945. The cubic root of 2144148 is about 128.9490815207.

The spelling of 2144148 in words is "two million, one hundred forty-four thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 197 394 591 788 907 1182 1814 2364 2721 3628 5442 10884 178679 357358 536037 714716 1072074 2144148