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2237028 = 223186419
BaseRepresentation
bin1000100010001001100100
311012122121220
420202021210
51033041103
6115540340
725004643
oct10421144
94178556
102237028
111298792
128ba6b0
136042b1
1442335a
152e2c53
hex222264

2237028 has 12 divisors (see below), whose sum is σ = 5219760. Its totient is φ = 745672.

The previous prime is 2237009. The next prime is 2237051. The reversal of 2237028 is 8207322.

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

It is a d-powerful number, because it can be written as 28 + 218 + 313 + 76 + 0 + 218 + 83 .

It is a junction number, because it is equal to n+sod(n) for n = 2236989 and 2237007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93198 + ... + 93221.

It is an arithmetic number, because the mean of its divisors is an integer number (434980).

22237028 is an apocalyptic number.

It is an amenable number.

2237028 is an abundant number, since it is smaller than the sum of its proper divisors (2982732).

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

2237028 is a wasteful number, since it uses less digits than its factorization.

2237028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186426 (or 186424 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 2237028 is about 1495.6697496440. The cubic root of 2237028 is about 130.7847600757.

The spelling of 2237028 in words is "two million, two hundred thirty-seven thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 186419 372838 559257 745676 1118514 2237028