Search a number
-
+
85167201 = 374055581
BaseRepresentation
bin1010001001110…
…00110001100001
312221020221102210
411010320301201
5133300322301
612241232333
72052623610
oct504706141
9187227383
1085167201
1144090419
12246326a9
131484c2c2
14b44d877
157724ad6
hex5138c61

85167201 has 8 divisors (see below), whose sum is σ = 129778624. Its totient is φ = 48666960.

The previous prime is 85167191. The next prime is 85167217. The reversal of 85167201 is 10276158.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85167201 - 25 = 85167169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85167221) 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 7 ways as a sum of consecutive naturals, for example, 2027770 + ... + 2027811.

It is an arithmetic number, because the mean of its divisors is an integer number (16222328).

Almost surely, 285167201 is an apocalyptic number.

It is an amenable number.

85167201 is a deficient number, since it is larger than the sum of its proper divisors (44611423).

85167201 is a wasteful number, since it uses less digits than its factorization.

85167201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4055591.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 85167201 is about 9228.6077498180. The cubic root of 85167201 is about 439.9710742004.

The spelling of 85167201 in words is "eighty-five million, one hundred sixty-seven thousand, two hundred one".

Divisors: 1 3 7 21 4055581 12166743 28389067 85167201