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1384253 = 13233457
BaseRepresentation
bin101010001111100111101
32121022211122
411101330331
5323244003
645400325
714523503
oct5217475
92538748
101384253
11866012
125690a5
133960b0
14280673
151c5238
hex151f3d

1384253 has 8 divisors (see below), whose sum is σ = 1500408. Its totient is φ = 1269504.

The previous prime is 1384249. The next prime is 1384303. The reversal of 1384253 is 3524831.

It can be written as a sum of positive squares in 4 ways, for example, as 80089 + 1304164 = 283^2 + 1142^2 .

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 1384253 - 22 = 1384249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1084253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2801 + ... + 3257.

It is an arithmetic number, because the mean of its divisors is an integer number (187551).

21384253 is an apocalyptic number.

1384253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1384253 is a deficient number, since it is larger than the sum of its proper divisors (116155).

1384253 is a wasteful number, since it uses less digits than its factorization.

1384253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703.

The product of its digits is 2880, while the sum is 26.

The square root of 1384253 is about 1176.5428169004. The cubic root of 1384253 is about 111.4478833032.

The spelling of 1384253 in words is "one million, three hundred eighty-four thousand, two hundred fifty-three".

Divisors: 1 13 233 457 3029 5941 106481 1384253