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82410901 = 581314177
BaseRepresentation
bin1001110100101…
…11110110010101
312202001220111121
410322113312111
5132044122101
612102203541
72020324006
oct472276625
9182056447
1082410901
1142578591
12237235b1
13140c5861
14ad331ad
15737d0a1
hex4e97d95

82410901 has 4 divisors (see below), whose sum is σ = 82430892. Its totient is φ = 82390912.

The previous prime is 82410859. The next prime is 82410931. The reversal of 82410901 is 10901428.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 73942801 + 8468100 = 8599^2 + 2910^2 .

It is a cyclic number.

It is not a de Polignac number, because 82410901 - 213 = 82402709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82410931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1276 + ... + 12901.

It is an arithmetic number, because the mean of its divisors is an integer number (20607723).

Almost surely, 282410901 is an apocalyptic number.

It is an amenable number.

82410901 is a deficient number, since it is larger than the sum of its proper divisors (19991).

82410901 is a wasteful number, since it uses less digits than its factorization.

82410901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19990.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 82410901 is about 9078.0449987869. The cubic root of 82410901 is about 435.1726112878.

The spelling of 82410901 in words is "eighty-two million, four hundred ten thousand, nine hundred one".

Divisors: 1 5813 14177 82410901