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2801144 = 233371039
BaseRepresentation
bin1010101011110111111000
312021022110002
422223313320
51204114034
6140012132
732544413
oct12536770
95238402
102801144
1116435a5
12b31048
13770ca8
1452cb7a
153a4e7e
hex2abdf8

2801144 has 16 divisors (see below), whose sum is σ = 5272800. Its totient is φ = 1395072.

The previous prime is 2801137. The next prime is 2801179. The reversal of 2801144 is 4411082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2177 + ... + 3215.

It is an arithmetic number, because the mean of its divisors is an integer number (329550).

22801144 is an apocalyptic number.

It is an amenable number.

2801144 is a deficient number, since it is larger than the sum of its proper divisors (2471656).

2801144 is a wasteful number, since it uses less digits than its factorization.

2801144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382 (or 1378 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 2801144 is about 1673.6618535415. The cubic root of 2801144 is about 140.9651675271.

The spelling of 2801144 in words is "two million, eight hundred one thousand, one hundred forty-four".

Divisors: 1 2 4 8 337 674 1039 1348 2078 2696 4156 8312 350143 700286 1400572 2801144