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6972201 = 326011289
BaseRepresentation
bin11010100110001100101001
3111010020001200
4122212030221
53241102301
6405234413
7113156055
oct32461451
914106050
106972201
113a32355
122402a09
1315a1682
14cd6c65
1592ac86
hex6a6329

6972201 has 12 divisors (see below), whose sum is σ = 10095540. Its totient is φ = 4636800.

The previous prime is 6972127. The next prime is 6972233. The reversal of 6972201 is 1022796.

It can be written as a sum of positive squares in 2 ways, for example, as 5760000 + 1212201 = 2400^2 + 1101^2 .

It is not a de Polignac number, because 6972201 - 210 = 6971177 is a prime.

It is a super-2 number, since 2×69722012 = 97223173568802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6972281) 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, 4765 + ... + 6053.

It is an arithmetic number, because the mean of its divisors is an integer number (841295).

Almost surely, 26972201 is an apocalyptic number.

It is an amenable number.

6972201 is a deficient number, since it is larger than the sum of its proper divisors (3123339).

6972201 is a wasteful number, since it uses less digits than its factorization.

6972201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896 (or 1893 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 6972201 is about 2640.4925676851. The cubic root of 6972201 is about 191.0395557814.

Adding to 6972201 its reverse (1022796), we get a palindrome (7994997).

The spelling of 6972201 in words is "six million, nine hundred seventy-two thousand, two hundred one".

Divisors: 1 3 9 601 1289 1803 3867 5409 11601 774689 2324067 6972201