Search a number
-
+
85974711 = 328658237
BaseRepresentation
bin1010001111111…
…01111010110111
312222202222010120
411013331322313
5134002142321
612310423023
72062526064
oct507757267
9188688116
1085974711
1144592089
1224961a73
1314a72a14
14b5bdc6b
157833ec6
hex51fdeb7

85974711 has 4 divisors (see below), whose sum is σ = 114632952. Its totient is φ = 57316472.

The previous prime is 85974709. The next prime is 85974727. The reversal of 85974711 is 11747958.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85974711 - 21 = 85974709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85974211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14329116 + ... + 14329121.

It is an arithmetic number, because the mean of its divisors is an integer number (28658238).

Almost surely, 285974711 is an apocalyptic number.

85974711 is a deficient number, since it is larger than the sum of its proper divisors (28658241).

85974711 is a wasteful number, since it uses less digits than its factorization.

85974711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28658240.

The product of its digits is 70560, while the sum is 42.

The square root of 85974711 is about 9272.2549037437. The cubic root of 85974711 is about 441.3572261997.

The spelling of 85974711 in words is "eighty-five million, nine hundred seventy-four thousand, seven hundred eleven".

Divisors: 1 3 28658237 85974711