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3979941 = 37792399
BaseRepresentation
bin1111001011101010100101
321111012110020
433023222211
52004324231
6221145353
745554220
oct17135245
97435406
103979941
112279209
1213bb259
13a946c4
147585b7
15539396
hex3cbaa5

3979941 has 16 divisors (see below), whose sum is σ = 6144000. Its totient is φ = 2244528.

The previous prime is 3979901. The next prime is 3979957. The reversal of 3979941 is 1499793.

It is not a de Polignac number, because 3979941 - 210 = 3978917 is a prime.

It is a Curzon number.

3979941 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3979893 and 3979902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3979901) 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, 460 + ... + 2858.

It is an arithmetic number, because the mean of its divisors is an integer number (384000).

Almost surely, 23979941 is an apocalyptic number.

It is an amenable number.

3979941 is a deficient number, since it is larger than the sum of its proper divisors (2164059).

3979941 is a wasteful number, since it uses less digits than its factorization.

3979941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488.

The product of its digits is 61236, while the sum is 42.

The square root of 3979941 is about 1994.9789472573. The cubic root of 3979941 is about 158.4743130926.

The spelling of 3979941 in words is "three million, nine hundred seventy-nine thousand, nine hundred forty-one".

Divisors: 1 3 7 21 79 237 553 1659 2399 7197 16793 50379 189521 568563 1326647 3979941