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1408585253 = 4729969899
BaseRepresentation
bin101001111110101…
…0100111000100101
310122011111112201012
41103331110320211
510341044212003
6351434512005
746622530355
oct12375247045
93564445635
101408585253
11663122a49
12333895605
13195a963ca
14d5108b65
15839dd8d8
hex53f54e25

1408585253 has 4 divisors (see below), whose sum is σ = 1438555200. Its totient is φ = 1378615308.

The previous prime is 1408585249. The next prime is 1408585261. The reversal of 1408585253 is 3525858041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3525858041 = 3769935489.

It is a cyclic number.

It is not a de Polignac number, because 1408585253 - 22 = 1408585249 is a prime.

It is a super-2 number, since 2×14085852532 = 3968224829938148018, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1408585253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1408585553) 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 3 ways as a sum of consecutive naturals, for example, 14984903 + ... + 14984996.

It is an arithmetic number, because the mean of its divisors is an integer number (359638800).

Almost surely, 21408585253 is an apocalyptic number.

It is an amenable number.

1408585253 is a deficient number, since it is larger than the sum of its proper divisors (29969947).

1408585253 is an equidigital number, since it uses as much as digits as its factorization.

1408585253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29969946.

The product of its (nonzero) digits is 192000, while the sum is 41.

The square root of 1408585253 is about 37531.1237907953. The cubic root of 1408585253 is about 1120.9710044934.

The spelling of 1408585253 in words is "one billion, four hundred eight million, five hundred eighty-five thousand, two hundred fifty-three".

Divisors: 1 47 29969899 1408585253