Search a number
-
+
85578704 = 245348669
BaseRepresentation
bin1010001100111…
…01001111010000
312222000211220122
411012131033100
5133402004304
612254125412
72056256411
oct506351720
9188024818
1085578704
1144341602
12247b0868
13149646b3
14b519808
1577a69be
hex519d3d0

85578704 has 10 divisors (see below), whose sum is σ = 165808770. Its totient is φ = 42789344.

The previous prime is 85578673. The next prime is 85578737. The reversal of 85578704 is 40787558.

It can be written as a sum of positive squares in only one way, i.e., 79566400 + 6012304 = 8920^2 + 2452^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2674319 + ... + 2674350.

It is an arithmetic number, because the mean of its divisors is an integer number (16580877).

Almost surely, 285578704 is an apocalyptic number.

It is an amenable number.

85578704 is a deficient number, since it is larger than the sum of its proper divisors (80230066).

85578704 is a wasteful number, since it uses less digits than its factorization.

85578704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5348677 (or 5348671 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 44.

The square root of 85578704 is about 9250.8758504263. The cubic root of 85578704 is about 440.6785398383.

The spelling of 85578704 in words is "eighty-five million, five hundred seventy-eight thousand, seven hundred four".

Divisors: 1 2 4 8 16 5348669 10697338 21394676 42789352 85578704