Search a number
-
+
85741230 = 2352858041
BaseRepresentation
bin1010001110001…
…00111010101110
312222100002212010
411013010322232
5133422204410
612301422050
72060534301
oct507047256
9188302763
1085741230
1144442723
122486a926
13149c0673
14b55cb38
1577d9c20
hex51c4eae

85741230 has 16 divisors (see below), whose sum is σ = 205779024. Its totient is φ = 22864320.

The previous prime is 85741213. The next prime is 85741231. The reversal of 85741230 is 3214758.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 2858041 = 85741230 / (8 + 5 + 7 + 4 + 1 + 2 + 3 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85741231) 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, 1428991 + ... + 1429050.

It is an arithmetic number, because the mean of its divisors is an integer number (12861189).

Almost surely, 285741230 is an apocalyptic number.

85741230 is an abundant number, since it is smaller than the sum of its proper divisors (120037794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85741230 is a wasteful number, since it uses less digits than its factorization.

85741230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858051.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 85741230 is about 9259.6560411281. The cubic root of 85741230 is about 440.9573336070.

Adding to 85741230 its reverse (3214758), we get a palindrome (88955988).

The spelling of 85741230 in words is "eighty-five million, seven hundred forty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 2858041 5716082 8574123 14290205 17148246 28580410 42870615 85741230