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82828201 = 1924792
BaseRepresentation
bin1001110111111…
…01101110101001
312202212002221011
410323331232221
5132201000301
612115143521
72024012431
oct473755651
9182762834
1082828201
1142833065
12238a4ba1
1314210791
14b0012c1
157411a51
hex4efdba9

82828201 has 9 divisors (see below), whose sum is σ = 87599901. Its totient is φ = 78305004.

The previous prime is 82828183. The next prime is 82828217. The reversal of 82828201 is 10282828.

The square root of 82828201 is 9101.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 82828201 - 211 = 82826153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82828231) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 172680 + ... + 173158.

Almost surely, 282828201 is an apocalyptic number.

82828201 is the 9101-st square number.

82828201 is the 4551-st centered octagonal number.

It is an amenable number.

82828201 is a deficient number, since it is larger than the sum of its proper divisors (4771700).

82828201 is an frugal number, since it uses more digits than its factorization.

82828201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996 (or 498 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 31.

The cubic root of 82828201 is about 435.9058956486.

Multiplying 82828201 by its product of nonzero digits (4096), we get a square (339264311296 = 5824642).

The spelling of 82828201 in words is "eighty-two million, eight hundred twenty-eight thousand, two hundred one".

Divisors: 1 19 361 479 9101 172919 229441 4359379 82828201