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3975503 = 71971421
BaseRepresentation
bin1111001010100101001111
321110222100212
433022211033
52004204003
6221113035
745535250
oct17124517
97428325
103975503
112275944
1213b877b
13a9268c
14756b27
15537dd8
hex3ca94f

3975503 has 16 divisors (see below), whose sum is σ = 4861440. Its totient is φ = 3175200.

The previous prime is 3975493. The next prime is 3975509. The reversal of 3975503 is 3055793.

It is not a de Polignac number, because 3975503 - 24 = 3975487 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 3975503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3975509) 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 15 ways as a sum of consecutive naturals, for example, 9233 + ... + 9653.

It is an arithmetic number, because the mean of its divisors is an integer number (303840).

Almost surely, 23975503 is an apocalyptic number.

3975503 is a deficient number, since it is larger than the sum of its proper divisors (885937).

3975503 is a wasteful number, since it uses less digits than its factorization.

3975503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518.

The product of its (nonzero) digits is 14175, while the sum is 32.

The square root of 3975503 is about 1993.8663445678. The cubic root of 3975503 is about 158.4153867097.

The spelling of 3975503 in words is "three million, nine hundred seventy-five thousand, five hundred three".

Divisors: 1 7 19 71 133 421 497 1349 2947 7999 9443 29891 55993 209237 567929 3975503