Search a number
-
+
948804857 = 71113947857
BaseRepresentation
bin111000100011011…
…001110011111001
32110010100021120122
4320203121303321
53420343223412
6234052103025
732340464630
oct7043316371
92403307518
10948804857
11447637150
12225904a75
13121753ac0
1490022517
155846c572
hex388d9cf9

948804857 has 16 divisors (see below), whose sum is σ = 1273921152. Its totient is φ = 682456320.

The previous prime is 948804841. The next prime is 948804859. The reversal of 948804857 is 758408849.

It is a happy number.

It is not a de Polignac number, because 948804857 - 24 = 948804841 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 948804799 and 948804808.

It is not an unprimeable number, because it can be changed into a prime (948804859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472928 + ... + 474929.

It is an arithmetic number, because the mean of its divisors is an integer number (79620072).

Almost surely, 2948804857 is an apocalyptic number.

It is an amenable number.

948804857 is a deficient number, since it is larger than the sum of its proper divisors (325116295).

948804857 is a wasteful number, since it uses less digits than its factorization.

948804857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947888.

The product of its (nonzero) digits is 2580480, while the sum is 53.

The square root of 948804857 is about 30802.6761337388. The cubic root of 948804857 is about 982.6351600513.

The spelling of 948804857 in words is "nine hundred forty-eight million, eight hundred four thousand, eight hundred fifty-seven".

Divisors: 1 7 11 13 77 91 143 1001 947857 6634999 10426427 12322141 72984989 86254987 135543551 948804857