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1348293493 = 1590184793
BaseRepresentation
bin101000001011101…
…0101001101110101
310110222001101222001
41100113111031311
510230130342433
6341442335301
745261206551
oct12027251565
93428041861
101348293493
11632092948
1231765a531
13186446701
14cb0d2861
157d57e57d
hex505d5375

1348293493 has 4 divisors (see below), whose sum is σ = 1348394188. Its totient is φ = 1348192800.

The previous prime is 1348293481. The next prime is 1348293517. The reversal of 1348293493 is 3943928431.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3943928431 = 5119770449.

It can be written as a sum of positive squares in 2 ways, for example, as 1301261329 + 47032164 = 36073^2 + 6858^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1348293493 is a prime.

It is a super-2 number, since 2×13482934932 = 3635790686532282098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1348293893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26496 + ... + 58297.

It is an arithmetic number, because the mean of its divisors is an integer number (337098547).

Almost surely, 21348293493 is an apocalyptic number.

It is an amenable number.

1348293493 is a deficient number, since it is larger than the sum of its proper divisors (100695).

1348293493 is an equidigital number, since it uses as much as digits as its factorization.

1348293493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100694.

The product of its digits is 559872, while the sum is 46.

The square root of 1348293493 is about 36719.1161794507. The cubic root of 1348293493 is about 1104.7435624501.

The spelling of 1348293493 in words is "one billion, three hundred forty-eight million, two hundred ninety-three thousand, four hundred ninety-three".

Divisors: 1 15901 84793 1348293493