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8040201 = 3131767181
BaseRepresentation
bin11110101010111100001001
3120010111002020
4132222330021
54024241301
6444155053
7125224551
oct36527411
916114066
108040201
1145a17a4
122838a89
131886820
1410d4161
15a8c436
hex7aaf09

8040201 has 32 divisors (see below), whose sum is σ = 12475008. Its totient is φ = 4561920.

The previous prime is 8040169. The next prime is 8040217. The reversal of 8040201 is 1020408.

It is not a de Polignac number, because 8040201 - 25 = 8040169 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8040601) by changing a digit.

It is a nontrivial repunit in base 200.

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 31 ways as a sum of consecutive naturals, for example, 44331 + ... + 44511.

It is an arithmetic number, because the mean of its divisors is an integer number (389844).

Almost surely, 28040201 is an apocalyptic number.

It is an amenable number.

8040201 is a deficient number, since it is larger than the sum of its proper divisors (4434807).

8040201 is a wasteful number, since it uses less digits than its factorization.

8040201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281.

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

The square root of 8040201 is about 2835.5248191472. The cubic root of 8040201 is about 200.3344487418.

Adding to 8040201 its reverse (1020408), we get a palindrome (9060609).

The spelling of 8040201 in words is "eight million, forty thousand, two hundred one".

Divisors: 1 3 13 17 39 51 67 181 201 221 543 663 871 1139 2353 2613 3077 3417 7059 9231 12127 14807 36381 40001 44421 120003 157651 206159 472953 618477 2680067 8040201