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2239489 = 7319927
BaseRepresentation
bin1000100010110000000001
311012210000001
420202300001
51033130424
6120000001
725015060
oct10426001
94183001
102239489
11129a61a
12900001
13605455
144241d7
152e3844
hex222c01

2239489 has 4 divisors (see below), whose sum is σ = 2559424. Its totient is φ = 1919556.

The previous prime is 2239459. The next prime is 2239519. The reversal of 2239489 is 9849322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2239459) and next prime (2239519).

It is a cyclic number.

It is not a de Polignac number, because 2239489 - 27 = 2239361 is a prime.

It is a super-2 number, since 2×22394892 = 10030621962242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2239459) 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, 159957 + ... + 159970.

It is an arithmetic number, because the mean of its divisors is an integer number (639856).

22239489 is an apocalyptic number.

It is an amenable number.

2239489 is a deficient number, since it is larger than the sum of its proper divisors (319935).

2239489 is an equidigital number, since it uses as much as digits as its factorization.

2239489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319934.

The product of its digits is 31104, while the sum is 37.

The square root of 2239489 is about 1496.4922318542. The cubic root of 2239489 is about 130.8327021575.

The spelling of 2239489 in words is "two million, two hundred thirty-nine thousand, four hundred eighty-nine".

Divisors: 1 7 319927 2239489