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2389452 = 2231317253
BaseRepresentation
bin1001000111010111001100
311111101201020
421013113030
51102430302
6123114140
726211222
oct11072714
94441636
102389452
11139225a
12972950
136587a0
14462b12
15322ebc
hex2475cc

2389452 has 72 divisors (see below), whose sum is σ = 6498576. Its totient is φ = 678912.

The previous prime is 2389451. The next prime is 2389463. The reversal of 2389452 is 2549832.

It is a happy number.

2389452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2389451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45058 + ... + 45110.

It is an arithmetic number, because the mean of its divisors is an integer number (90258).

22389452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2389452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3249288).

2389452 is an abundant number, since it is smaller than the sum of its proper divisors (4109124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2389452 is a wasteful number, since it uses less digits than its factorization.

2389452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 88 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 2389452 is about 1545.7852373470. The cubic root of 2389452 is about 133.6901581076.

The spelling of 2389452 in words is "two million, three hundred eighty-nine thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 13 17 26 34 39 51 52 53 68 78 102 106 156 159 204 212 221 289 318 442 578 636 663 689 867 884 901 1156 1326 1378 1734 1802 2067 2652 2703 2756 3468 3604 3757 4134 5406 7514 8268 10812 11271 11713 15028 15317 22542 23426 30634 35139 45084 45951 46852 61268 70278 91902 140556 183804 199121 398242 597363 796484 1194726 2389452