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4202397 = 322711723
BaseRepresentation
bin10000000001111110011101
321220111121100
4100001332131
52033434042
6230023313
750501613
oct20017635
97814540
104202397
112410361
1214a7b39
13b41a34
147b56b3
1558024c
hex401f9d

4202397 has 12 divisors (see below), whose sum is σ = 6096064. Its totient is φ = 2789640.

The previous prime is 4202389. The next prime is 4202413. The reversal of 4202397 is 7932024.

4202397 is a `hidden beast` number, since 420 + 239 + 7 = 666.

It is not a de Polignac number, because 4202397 - 23 = 4202389 is a prime.

It is a Duffinian number.

4202397 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4202397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4202327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1578 + ... + 3300.

Almost surely, 24202397 is an apocalyptic number.

It is an amenable number.

4202397 is a deficient number, since it is larger than the sum of its proper divisors (1893667).

4202397 is a wasteful number, since it uses less digits than its factorization.

4202397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000 (or 1997 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 4202397 is about 2049.9748778948. The cubic root of 4202397 is about 161.3735523245.

The spelling of 4202397 in words is "four million, two hundred two thousand, three hundred ninety-seven".

Divisors: 1 3 9 271 813 1723 2439 5169 15507 466933 1400799 4202397