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2201144 = 231125013
BaseRepresentation
bin1000011001011000111000
311010211101212
420121120320
51030414034
6115102252
724465221
oct10313070
94124355
102201144
111273830
128a1988
135c0b6a
14414248
152d72ce
hex219638

2201144 has 16 divisors (see below), whose sum is σ = 4502520. Its totient is φ = 1000480.

The previous prime is 2201137. The next prime is 2201149. The reversal of 2201144 is 4411022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201149) 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, 12419 + ... + 12594.

22201144 is an apocalyptic number.

It is an amenable number.

2201144 is an abundant number, since it is smaller than the sum of its proper divisors (2301376).

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

2201144 is a wasteful number, since it uses less digits than its factorization.

2201144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25030 (or 25026 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2201144 is about 1483.6252896200. The cubic root of 2201144 is about 130.0816843638.

Adding to 2201144 its reverse (4411022), we get a palindrome (6612166).

The spelling of 2201144 in words is "two million, two hundred one thousand, one hundred forty-four".

Divisors: 1 2 4 8 11 22 44 88 25013 50026 100052 200104 275143 550286 1100572 2201144