Search a number
-
+
83166404 = 2295321817
BaseRepresentation
bin1001111010100…
…00010011000100
312210111021212012
410331100103010
5132242311104
612130313352
72026621436
oct475202304
9183437765
1083166404
1142a44172
1223a28858
13142cb6b9
14b08c656
15747bd6e
hex4f504c4

83166404 has 12 divisors (see below), whose sum is σ = 145700604. Its totient is φ = 41537664.

The previous prime is 83166389. The next prime is 83166407. The reversal of 83166404 is 40466138.

It can be written as a sum of positive squares in 2 ways, for example, as 45589504 + 37576900 = 6752^2 + 6130^2 .

It is not an unprimeable number, because it can be changed into a prime (83166407) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 7097 + ... + 14720.

It is an arithmetic number, because the mean of its divisors is an integer number (12141717).

Almost surely, 283166404 is an apocalyptic number.

It is an amenable number.

83166404 is a deficient number, since it is larger than the sum of its proper divisors (62534200).

83166404 is a wasteful number, since it uses less digits than its factorization.

83166404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22774 (or 22772 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 83166404 is about 9119.5616122706. The cubic root of 83166404 is about 436.4983850006.

The spelling of 83166404 in words is "eighty-three million, one hundred sixty-six thousand, four hundred four".

Divisors: 1 2 4 953 1906 3812 21817 43634 87268 20791601 41583202 83166404