Search a number
-
+
2489854 = 217671093
BaseRepresentation
bin1001011111110111111110
311200111102211
421133313332
51114133404
6125211034
730110023
oct11376776
94614384
102489854
111450734
12a00a7a
136923b3
1448b54a
15342b04
hex25fdfe

2489854 has 16 divisors (see below), whose sum is σ = 4017168. Its totient is φ = 1153152.

The previous prime is 2489849. The next prime is 2489857. The reversal of 2489854 is 4589842.

It is a d-powerful number, because it can be written as 210 + 4 + 82 + 93 + 87 + 58 + 44 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1732 + ... + 2824.

It is an arithmetic number, because the mean of its divisors is an integer number (251073).

22489854 is an apocalyptic number.

2489854 is a deficient number, since it is larger than the sum of its proper divisors (1527314).

2489854 is a wasteful number, since it uses less digits than its factorization.

2489854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179.

The product of its digits is 92160, while the sum is 40.

The square root of 2489854 is about 1577.9271212575. The cubic root of 2489854 is about 135.5370286822.

The spelling of 2489854 in words is "two million, four hundred eighty-nine thousand, eight hundred fifty-four".

Divisors: 1 2 17 34 67 134 1093 1139 2186 2278 18581 37162 73231 146462 1244927 2489854