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4474749 = 31491583
BaseRepresentation
bin10001000100011101111101
322102100012110
4101010131331
52121142444
6235524233
753014626
oct21043575
98370173
104474749
112586a44
1215b9679
13c089a6
14846a4d
155d5cb9
hex44477d

4474749 has 4 divisors (see below), whose sum is σ = 5966336. Its totient is φ = 2983164.

The previous prime is 4474741. The next prime is 4474763. The reversal of 4474749 is 9474744.

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.

It is not a de Polignac number, because 4474749 - 23 = 4474741 is a prime.

It is a super-2 number, since 2×44747492 = 40046757226002, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

4474749 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4474741) 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, 745789 + ... + 745794.

It is an arithmetic number, because the mean of its divisors is an integer number (1491584).

Almost surely, 24474749 is an apocalyptic number.

It is an amenable number.

4474749 is a deficient number, since it is larger than the sum of its proper divisors (1491587).

4474749 is a wasteful number, since it uses less digits than its factorization.

4474749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491586.

The product of its digits is 112896, while the sum is 39.

The square root of 4474749 is about 2115.3602530066. The cubic root of 4474749 is about 164.7869794635.

The spelling of 4474749 in words is "four million, four hundred seventy-four thousand, seven hundred forty-nine".

Divisors: 1 3 1491583 4474749