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8200401 = 311435779
BaseRepresentation
bin11111010010000011010001
3120102121211120
4133102003101
54044403101
6451432453
7126462606
oct37220321
916377746
108200401
1146a10a0
1228b5729
131911711
1411366ad
15abeb36
hex7d20d1

8200401 has 16 divisors (see below), whose sum is σ = 12207360. Its totient is φ = 4853520.

The previous prime is 8200391. The next prime is 8200403. The reversal of 8200401 is 1040028.

It is not a de Polignac number, because 8200401 - 214 = 8184017 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8200403) 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 15 ways as a sum of consecutive naturals, for example, 1471 + ... + 4308.

It is an arithmetic number, because the mean of its divisors is an integer number (762960).

Almost surely, 28200401 is an apocalyptic number.

It is an amenable number.

8200401 is a deficient number, since it is larger than the sum of its proper divisors (4006959).

8200401 is a wasteful number, since it uses less digits than its factorization.

8200401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5836.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 8200401 is about 2863.6342294364. The cubic root of 8200401 is about 201.6562545755.

Adding to 8200401 its reverse (1040028), we get a palindrome (9240429).

The spelling of 8200401 in words is "eight million, two hundred thousand, four hundred one".

Divisors: 1 3 11 33 43 129 473 1419 5779 17337 63569 190707 248497 745491 2733467 8200401