Search a number
-
+
84893971 = 177276869
BaseRepresentation
bin1010000111101…
…10000100010011
312220202001122011
411003312010103
5133213101341
612231323351
72050405201
oct503660423
9186661564
1084893971
1143a14108
1224520557
1314784b26
14b3bc071
1576bdb81
hex50f6113

84893971 has 8 divisors (see below), whose sum is σ = 90024480. Its totient is φ = 79778688.

The previous prime is 84893959. The next prime is 84893999. The reversal of 84893971 is 17939848.

It is a happy number.

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

It is not a de Polignac number, because 84893971 - 211 = 84891923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84893071) 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, 8925 + ... + 15793.

It is an arithmetic number, because the mean of its divisors is an integer number (11253060).

Almost surely, 284893971 is an apocalyptic number.

84893971 is a deficient number, since it is larger than the sum of its proper divisors (5130509).

84893971 is a wasteful number, since it uses less digits than its factorization.

84893971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7613.

The product of its digits is 435456, while the sum is 49.

The square root of 84893971 is about 9213.7924330864. The cubic root of 84893971 is about 439.5000709687.

The spelling of 84893971 in words is "eighty-four million, eight hundred ninety-three thousand, nine hundred seventy-one".

Divisors: 1 17 727 6869 12359 116773 4993763 84893971