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2489047 = 11713187
BaseRepresentation
bin1001011111101011010111
311200110022221
421133223113
51114122142
6125203211
730104461
oct11375327
94613287
102489047
111450070
12a00507
13691c12
1448b131
15342767
hex25fad7

2489047 has 8 divisors (see below), whose sum is σ = 2754432. Its totient is φ = 2230200.

The previous prime is 2489017. The next prime is 2489077. The reversal of 2489047 is 7409842.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2489017) and next prime (2489077).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2489047 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 (2489017) 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, 813 + ... + 2374.

It is an arithmetic number, because the mean of its divisors is an integer number (344304).

22489047 is an apocalyptic number.

2489047 is a deficient number, since it is larger than the sum of its proper divisors (265385).

2489047 is a wasteful number, since it uses less digits than its factorization.

2489047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3269.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2489047 is about 1577.6713853018. The cubic root of 2489047 is about 135.5223838876.

The spelling of 2489047 in words is "two million, four hundred eighty-nine thousand, forty-seven".

Divisors: 1 11 71 781 3187 35057 226277 2489047