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2239023 = 31495009
BaseRepresentation
bin1000100010101000101111
311012202100210
420202220233
51033122043
6115553503
725013523
oct10425057
94182323
102239023
11129a236
128bb893
13605187
14423d83
152e3633
hex222a2f

2239023 has 8 divisors (see below), whose sum is σ = 3006000. Its totient is φ = 1482368.

The previous prime is 2239009. The next prime is 2239031. The reversal of 2239023 is 3209322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2239023 - 24 = 2239007 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 211 + 217 + 3 + 94 + 0 + 221 + 37 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2239063) 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, 2058 + ... + 2951.

It is an arithmetic number, because the mean of its divisors is an integer number (375750).

22239023 is an apocalyptic number.

2239023 is a deficient number, since it is larger than the sum of its proper divisors (766977).

2239023 is a wasteful number, since it uses less digits than its factorization.

2239023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5161.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 2239023 is about 1496.3365263202. The cubic root of 2239023 is about 130.8236268330.

Subtracting 2239023 from its reverse (3209322), we obtain a cube (970299 = 993).

The spelling of 2239023 in words is "two million, two hundred thirty-nine thousand, twenty-three".

Divisors: 1 3 149 447 5009 15027 746341 2239023