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82285407 = 3210190523
BaseRepresentation
bin1001110011110…
…01001101011111
312201211112100200
410321321031133
5132031113112
612055354543
72016262101
oct471711537
9181745320
1082285407
11424a2276
1223682a53
13140806b9
14acdd571
157355cdc
hex4e7935f

82285407 has 12 divisors (see below), whose sum is σ = 120034824. Its totient is φ = 54313200.

The previous prime is 82285397. The next prime is 82285417. The reversal of 82285407 is 70458228.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (82285397) and next prime (82285417).

It is not a de Polignac number, because 82285407 - 211 = 82283359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82285417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44353 + ... + 46170.

It is an arithmetic number, because the mean of its divisors is an integer number (10002902).

Almost surely, 282285407 is an apocalyptic number.

82285407 is a deficient number, since it is larger than the sum of its proper divisors (37749417).

82285407 is a wasteful number, since it uses less digits than its factorization.

82285407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90630 (or 90627 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 82285407 is about 9071.1304146727. The cubic root of 82285407 is about 434.9516077757.

The spelling of 82285407 in words is "eighty-two million, two hundred eighty-five thousand, four hundred seven".

Divisors: 1 3 9 101 303 909 90523 271569 814707 9142823 27428469 82285407