Search a number
-
+
82608172 = 2220652043
BaseRepresentation
bin1001110110010…
…00000000101100
312202102221002221
410323020000230
5132121430142
612110325124
72022105103
oct473100054
9182387087
1082608172
11426a2819
12237b97a4
131416459a
14ad8503a
1573bb767
hex4ec802c

82608172 has 6 divisors (see below), whose sum is σ = 144564308. Its totient is φ = 41304084.

The previous prime is 82608107. The next prime is 82608179. The reversal of 82608172 is 27180628.

It is a super-2 number, since 2×826081722 = 13648220162363168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82608179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10326018 + ... + 10326025.

Almost surely, 282608172 is an apocalyptic number.

It is an amenable number.

82608172 is a deficient number, since it is larger than the sum of its proper divisors (61956136).

82608172 is a wasteful number, since it uses less digits than its factorization.

82608172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20652047 (or 20652045 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 82608172 is about 9088.9037842855. The cubic root of 82608172 is about 435.5195659077.

The spelling of 82608172 in words is "eighty-two million, six hundred eight thousand, one hundred seventy-two".

Divisors: 1 2 4 20652043 41304086 82608172