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4531493 = 10194447
BaseRepresentation
bin10001010010010100100101
322112020001002
4101102110211
52130001433
6241043045
753342231
oct21222445
98466032
104531493
11261563a
121626485
13c28775
1485d5c1
155e79e8
hex452525

4531493 has 4 divisors (see below), whose sum is σ = 4536960. Its totient is φ = 4526028.

The previous prime is 4531463. The next prime is 4531517. The reversal of 4531493 is 3941354.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3941354 = 21970677.

It is a cyclic number.

It is not a de Polignac number, because 4531493 - 210 = 4530469 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 (4531403) 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, 1205 + ... + 3242.

It is an arithmetic number, because the mean of its divisors is an integer number (1134240).

Almost surely, 24531493 is an apocalyptic number.

It is an amenable number.

4531493 is a deficient number, since it is larger than the sum of its proper divisors (5467).

4531493 is a wasteful number, since it uses less digits than its factorization.

4531493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5466.

The product of its digits is 6480, while the sum is 29.

The square root of 4531493 is about 2128.7303727809. The cubic root of 4531493 is about 165.4806067034.

The spelling of 4531493 in words is "four million, five hundred thirty-one thousand, four hundred ninety-three".

Divisors: 1 1019 4447 4531493