Search a number
-
+
85818316 = 22109196831
BaseRepresentation
bin1010001110101…
…11101111001100
312222111000121011
411013113233030
5133432141231
612303215004
72061305113
oct507275714
9188430534
1085818316
1144495631
12248a7464
1314a1978c
14b57cc7a
1578029b1
hex51d7bcc

85818316 has 12 divisors (see below), whose sum is σ = 151560640. Its totient is φ = 42515280.

The previous prime is 85818301. The next prime is 85818319. The reversal of 85818316 is 61381858.

It is a super-2 number, since 2×858183162 = 14729566722151712, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (85818319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97980 + ... + 98851.

Almost surely, 285818316 is an apocalyptic number.

It is an amenable number.

85818316 is a deficient number, since it is larger than the sum of its proper divisors (65742324).

85818316 is a wasteful number, since it uses less digits than its factorization.

85818316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196944 (or 196942 counting only the distinct ones).

The product of its digits is 46080, while the sum is 40.

The square root of 85818316 is about 9263.8175716062. The cubic root of 85818316 is about 441.0894421827.

The spelling of 85818316 in words is "eighty-five million, eight hundred eighteen thousand, three hundred sixteen".

Divisors: 1 2 4 109 218 436 196831 393662 787324 21454579 42909158 85818316