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2233788 = 223186149
BaseRepresentation
bin1000100001010110111100
311012111011220
420201112330
51032440123
6115513340
724662334
oct10412674
94174156
102233788
111296307
128b8850
1360298b
144220c4
152e1ce3
hex2215bc

2233788 has 12 divisors (see below), whose sum is σ = 5212200. Its totient is φ = 744592.

The previous prime is 2233787. The next prime is 2233793. The reversal of 2233788 is 8873322.

It is a happy number.

2233788 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2233787) 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, 93063 + ... + 93086.

It is an arithmetic number, because the mean of its divisors is an integer number (434350).

22233788 is an apocalyptic number.

It is an amenable number.

2233788 is an abundant number, since it is smaller than the sum of its proper divisors (2978412).

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

2233788 is a wasteful number, since it uses less digits than its factorization.

2233788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186156 (or 186154 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 2233788 is about 1494.5862303661. The cubic root of 2233788 is about 130.7215888558.

The spelling of 2233788 in words is "two million, two hundred thirty-three thousand, seven hundred eighty-eight".

Divisors: 1 2 3 4 6 12 186149 372298 558447 744596 1116894 2233788