Search a number
-
+
2239013 = 7499641
BaseRepresentation
bin1000100010101000100101
311012202100102
420202220211
51033122023
6115553445
725013510
oct10425045
94182312
102239013
11129a227
128bb885
1360517a
14423d77
152e3628
hex222a25

2239013 has 8 divisors (see below), whose sum is σ = 2568000. Its totient is φ = 1912320.

The previous prime is 2239009. The next prime is 2239031. The reversal of 2239013 is 3109322.

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 2239013 - 22 = 2239009 is a prime.

It is a Duffinian number.

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, 3173 + ... + 3813.

It is an arithmetic number, because the mean of its divisors is an integer number (321000).

22239013 is an apocalyptic number.

It is an amenable number.

2239013 is a deficient number, since it is larger than the sum of its proper divisors (328987).

2239013 is an equidigital number, since it uses as much as digits as its factorization.

2239013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 2239013 is about 1496.3331848222. Note that the first 3 decimals coincide. The cubic root of 2239013 is about 130.8234320697.

The spelling of 2239013 in words is "two million, two hundred thirty-nine thousand, thirteen".

Divisors: 1 7 499 641 3493 4487 319859 2239013