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3980533 = 17234149
BaseRepresentation
bin1111001011110011110101
321111020021011
433023303311
52004334113
6221152221
745556024
oct17136365
97436234
103980533
1122796a7
1213bb671
13a94a5b
147588bb
1553963d
hex3cbcf5

3980533 has 4 divisors (see below), whose sum is σ = 4214700. Its totient is φ = 3746368.

The previous prime is 3980531. The next prime is 3980549. The reversal of 3980533 is 3350893.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1912689 + 2067844 = 1383^2 + 1438^2 .

It is a cyclic number.

It is not a de Polignac number, because 3980533 - 21 = 3980531 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3980495 and 3980504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3980531) 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, 117058 + ... + 117091.

It is an arithmetic number, because the mean of its divisors is an integer number (1053675).

Almost surely, 23980533 is an apocalyptic number.

It is an amenable number.

3980533 is a deficient number, since it is larger than the sum of its proper divisors (234167).

3980533 is a wasteful number, since it uses less digits than its factorization.

3980533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234166.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 3980533 is about 1995.1273142334. The cubic root of 3980533 is about 158.4821701724.

The spelling of 3980533 in words is "three million, nine hundred eighty thousand, five hundred thirty-three".

Divisors: 1 17 234149 3980533