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3980361 = 371117231
BaseRepresentation
bin1111001011110001001001
321111020000210
433023301021
52004332421
6221151333
745555360
oct17136111
97436023
103980361
112279560
1213bb549
13a94958
147587d7
15539576
hex3cbc49

3980361 has 16 divisors (see below), whose sum is σ = 6617088. Its totient is φ = 2067600.

The previous prime is 3980359. The next prime is 3980377. The reversal of 3980361 is 1630893.

3980361 = 782 + 792 + ... + 2312.

It is not a de Polignac number, because 3980361 - 21 = 3980359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3980341) 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, 8385 + ... + 8846.

It is an arithmetic number, because the mean of its divisors is an integer number (413568).

Almost surely, 23980361 is an apocalyptic number.

It is an amenable number.

3980361 is a deficient number, since it is larger than the sum of its proper divisors (2636727).

3980361 is a wasteful number, since it uses less digits than its factorization.

3980361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17252.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 3980361 is about 1995.0842087491. The cubic root of 3980361 is about 158.4798874525.

The spelling of 3980361 in words is "three million, nine hundred eighty thousand, three hundred sixty-one".

Divisors: 1 3 7 11 21 33 77 231 17231 51693 120617 189541 361851 568623 1326787 3980361