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3979473 = 31326491
BaseRepresentation
bin1111001011100011010001
321111011210220
433023203101
52004320343
6221143253
745552651
oct17134321
97434726
103979473
112278923
1213bab29
13a94424
14758361
15539183
hex3cb8d1

3979473 has 4 divisors (see below), whose sum is σ = 5305968. Its totient is φ = 2652980.

The previous prime is 3979463. The next prime is 3979499. The reversal of 3979473 is 3749793.

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 a cyclic number.

It is not a de Polignac number, because 3979473 - 213 = 3971281 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3979433) 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, 663243 + ... + 663248.

It is an arithmetic number, because the mean of its divisors is an integer number (1326492).

Almost surely, 23979473 is an apocalyptic number.

It is an amenable number.

3979473 is a deficient number, since it is larger than the sum of its proper divisors (1326495).

3979473 is a wasteful number, since it uses less digits than its factorization.

3979473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326494.

The product of its digits is 142884, while the sum is 42.

The square root of 3979473 is about 1994.8616493381. The cubic root of 3979473 is about 158.4681012011.

It can be divided in two parts, 397 and 9473, that added together give a triangular number (9870 = T140).

The spelling of 3979473 in words is "three million, nine hundred seventy-nine thousand, four hundred seventy-three".

Divisors: 1 3 1326491 3979473