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82582631 = 3712491787
BaseRepresentation
bin1001110110000…
…01110001100111
312202101122001222
410323001301213
5132120121011
612110010555
72021640455
oct473016147
9182348058
1082582631
114268560a
12237a6a5b
1314155a81
14ad799d5
1573b3ddb
hex4ec1c67

82582631 has 8 divisors (see below), whose sum is σ = 84930000. Its totient is φ = 80241408.

The previous prime is 82582613. The next prime is 82582663. The reversal of 82582631 is 13628528.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82582631 - 26 = 82582567 is a prime.

It is a super-2 number, since 2×825826312 = 13639781885764322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82582591 and 82582600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82582601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45320 + ... + 47106.

It is an arithmetic number, because the mean of its divisors is an integer number (10616250).

Almost surely, 282582631 is an apocalyptic number.

82582631 is a deficient number, since it is larger than the sum of its proper divisors (2347369).

82582631 is a wasteful number, since it uses less digits than its factorization.

82582631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3073.

The product of its digits is 23040, while the sum is 35.

The square root of 82582631 is about 9087.4986107289. The cubic root of 82582631 is about 435.4746762736.

The spelling of 82582631 in words is "eighty-two million, five hundred eighty-two thousand, six hundred thirty-one".

Divisors: 1 37 1249 1787 46213 66119 2231963 82582631