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82416687 = 359465631
BaseRepresentation
bin1001110100110…
…01010000101111
312202002012102220
410322121100233
5132044313222
612102250423
72020346613
oct472312057
9182065386
1082416687
1142581971
1223726a13
13140c8392
14ad35343
15737eb5c
hex4e9942f

82416687 has 8 divisors (see below), whose sum is σ = 111751680. Its totient is φ = 54013080.

The previous prime is 82416647. The next prime is 82416689. The reversal of 82416687 is 78661428.

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

It is not a de Polignac number, because 82416687 - 216 = 82351151 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82416689) 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, 232639 + ... + 232992.

It is an arithmetic number, because the mean of its divisors is an integer number (13968960).

Almost surely, 282416687 is an apocalyptic number.

82416687 is a deficient number, since it is larger than the sum of its proper divisors (29334993).

82416687 is a wasteful number, since it uses less digits than its factorization.

82416687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465693.

The product of its digits is 129024, while the sum is 42.

The square root of 82416687 is about 9078.3636741430. The cubic root of 82416687 is about 435.1827954171.

The spelling of 82416687 in words is "eighty-two million, four hundred sixteen thousand, six hundred eighty-seven".

Divisors: 1 3 59 177 465631 1396893 27472229 82416687