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3974004217 = 6775870021
BaseRepresentation
bin1110110011011110…
…0111110111111001
3101020221210022221101
43230313213313321
531114321113332
61454200411401
7200323323061
oct35467476771
911227708841
103974004217
11175a249207
1292aa76b61
134b441c1b1
14299b083a1
15183d3cae7
hexecde7df9

3974004217 has 4 divisors (see below), whose sum is σ = 3979874916. Its totient is φ = 3968133520.

The previous prime is 3974004197. The next prime is 3974004233. The reversal of 3974004217 is 7124004793.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7124004793 = 38918313637.

It can be written as a sum of positive squares in 2 ways, for example, as 3334369536 + 639634681 = 57744^2 + 25291^2 .

It is a cyclic number.

It is not a de Polignac number, because 3974004217 - 231 = 1826520569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3974004257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2934334 + ... + 2935687.

It is an arithmetic number, because the mean of its divisors is an integer number (994968729).

Almost surely, 23974004217 is an apocalyptic number.

It is an amenable number.

3974004217 is a deficient number, since it is larger than the sum of its proper divisors (5870699).

3974004217 is an equidigital number, since it uses as much as digits as its factorization.

3974004217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5870698.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 3974004217 is about 63039.7034970819. The cubic root of 3974004217 is about 1583.9547642986.

The spelling of 3974004217 in words is "three billion, nine hundred seventy-four million, four thousand, two hundred seventeen".

Divisors: 1 677 5870021 3974004217