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1423253 = 13109481
BaseRepresentation
bin101011011011110010101
32200022100002
411123132111
5331021003
650301045
715045266
oct5333625
92608302
101423253
11892347
12587785
133aaa80
1429096d
151d1a88
hex15b795

1423253 has 4 divisors (see below), whose sum is σ = 1532748. Its totient is φ = 1313760.

The previous prime is 1423243. The next prime is 1423259. The reversal of 1423253 is 3523241.

It is a happy number.

1423253 is nontrivially palindromic in base 4 and base 12.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3523241 = 9533697.

It can be written as a sum of positive squares in 2 ways, for example, as 208849 + 1214404 = 457^2 + 1102^2 .

It is a cyclic number.

It is not a de Polignac number, because 1423253 - 24 = 1423237 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 (1423259) 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 3 ways as a sum of consecutive naturals, for example, 54728 + ... + 54753.

It is an arithmetic number, because the mean of its divisors is an integer number (383187).

21423253 is an apocalyptic number.

1423253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1423253 is a deficient number, since it is larger than the sum of its proper divisors (109495).

1423253 is a wasteful number, since it uses less digits than its factorization.

1423253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109494.

The product of its digits is 720, while the sum is 20.

The square root of 1423253 is about 1193.0016764448. The cubic root of 1423253 is about 112.4848506350.

Adding to 1423253 its reverse (3523241), we get a palindrome (4946494).

The spelling of 1423253 in words is "one million, four hundred twenty-three thousand, two hundred fifty-three".

Divisors: 1 13 109481 1423253