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3971079 = 33721011
BaseRepresentation
bin1111001001100000000111
321110202022000
433021200013
52004033304
6221040343
745516330
oct17114007
97422260
103971079
112272592
1213b60b3
13a90668
14755287
15536939
hex3c9807

3971079 has 16 divisors (see below), whose sum is σ = 6723840. Its totient is φ = 2269080.

The previous prime is 3971063. The next prime is 3971087. The reversal of 3971079 is 9701793.

It is not a de Polignac number, because 3971079 - 24 = 3971063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3971879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10317 + ... + 10694.

It is an arithmetic number, because the mean of its divisors is an integer number (420240).

Almost surely, 23971079 is an apocalyptic number.

3971079 is a deficient number, since it is larger than the sum of its proper divisors (2752761).

3971079 is a wasteful number, since it uses less digits than its factorization.

3971079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21027 (or 21021 counting only the distinct ones).

The product of its (nonzero) digits is 11907, while the sum is 36.

The square root of 3971079 is about 1992.7566334101. The cubic root of 3971079 is about 158.3566025512.

The spelling of 3971079 in words is "three million, nine hundred seventy-one thousand, seventy-nine".

Divisors: 1 3 7 9 21 27 63 189 21011 63033 147077 189099 441231 567297 1323693 3971079