Search a number
-
+
82103816 = 2310262977
BaseRepresentation
bin1001110010011…
…00111000001000
312201111022021002
410321030320020
5132004310231
612051434132
72014604504
oct471147010
9181438232
1082103816
11423888a3
12235b5948
1314018b52
14ac93304
15731c0cb
hex4e4ce08

82103816 has 8 divisors (see below), whose sum is σ = 153944670. Its totient is φ = 41051904.

The previous prime is 82103803. The next prime is 82103821. The reversal of 82103816 is 61830128.

It can be written as a sum of positive squares in only one way, i.e., 76562500 + 5541316 = 8750^2 + 2354^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5131481 + ... + 5131496.

Almost surely, 282103816 is an apocalyptic number.

It is an amenable number.

82103816 is a deficient number, since it is larger than the sum of its proper divisors (71840854).

82103816 is a wasteful number, since it uses less digits than its factorization.

82103816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10262983 (or 10262979 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 82103816 is about 9061.1156046041. The cubic root of 82103816 is about 434.6314154399.

The spelling of 82103816 in words is "eighty-two million, one hundred three thousand, eight hundred sixteen".

Divisors: 1 2 4 8 10262977 20525954 41051908 82103816