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3973089 = 32371811
BaseRepresentation
bin1111001001111111100001
321110212001110
433021333201
52004114324
6221053533
745525231
oct17117741
97425043
103973089
11227404a
1213b72a9
13a91553
14755cc1
15537329
hex3c9fe1

3973089 has 16 divisors (see below), whose sum is σ = 5612544. Its totient is φ = 2494800.

The previous prime is 3973063. The next prime is 3973093. The reversal of 3973089 is 9803793.

It is a happy number.

It is not a de Polignac number, because 3973089 - 28 = 3972833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3973009) 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, 4494 + ... + 5304.

It is an arithmetic number, because the mean of its divisors is an integer number (350784).

Almost surely, 23973089 is an apocalyptic number.

It is an amenable number.

3973089 is a deficient number, since it is larger than the sum of its proper divisors (1639455).

3973089 is a wasteful number, since it uses less digits than its factorization.

3973089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 3973089 is about 1993.2608961197. The cubic root of 3973089 is about 158.3833159527.

It can be divided in two parts, 397 and 3089, that added together give a triangular number (3486 = T83).

The spelling of 3973089 in words is "three million, nine hundred seventy-three thousand, eighty-nine".

Divisors: 1 3 23 69 71 213 811 1633 2433 4899 18653 55959 57581 172743 1324363 3973089