Search a number
-
+
85106291 = 833732749
BaseRepresentation
bin1010001001010…
…01111001110011
312221010211212212
411010221321303
5133241400131
612240042335
72052251204
oct504517163
9187124785
1085106291
1144049686
12246033ab
131482a66a
14b4355ab
157711a2b
hex5129e73

85106291 has 8 divisors (see below), whose sum is σ = 86394000. Its totient is φ = 83824992.

The previous prime is 85106269. The next prime is 85106293. The reversal of 85106291 is 19260158.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-85106291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85106293) 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, 29585 + ... + 32333.

It is an arithmetic number, because the mean of its divisors is an integer number (10799250).

Almost surely, 285106291 is an apocalyptic number.

85106291 is a deficient number, since it is larger than the sum of its proper divisors (1287709).

85106291 is a wasteful number, since it uses less digits than its factorization.

85106291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3205.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 85106291 is about 9225.3070951595. The cubic root of 85106291 is about 439.8661628065.

The spelling of 85106291 in words is "eighty-five million, one hundred six thousand, two hundred ninety-one".

Divisors: 1 83 373 2749 30959 228167 1025377 85106291