Search a number
-
+
98797897 = 11171015231
BaseRepresentation
bin1011110001110…
…00100101001001
320212220110020101
411320320211021
5200243013042
613445325401
72306524342
oct570704511
9225813211
1098797897
1150850360
1229106861
13176125c3
14d19b0c9
158a186b7
hex5e38949

98797897 has 16 divisors (see below), whose sum is σ = 115271424. Its totient is φ = 83680000.

The previous prime is 98797889. The next prime is 98797913. The reversal of 98797897 is 79879789.

It is a cyclic number.

It is not a de Polignac number, because 98797897 - 23 = 98797889 is a prime.

It is a super-2 number, since 2×987978972 = 19522048903245218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (98797297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16272 + ... + 21502.

It is an arithmetic number, because the mean of its divisors is an integer number (7204464).

Almost surely, 298797897 is an apocalyptic number.

It is an amenable number.

98797897 is a deficient number, since it is larger than the sum of its proper divisors (16473527).

98797897 is a wasteful number, since it uses less digits than its factorization.

98797897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5360.

The product of its digits is 16003008, while the sum is 64.

The square root of 98797897 is about 9939.7131246329. The cubic root of 98797897 is about 462.2914913056.

The spelling of 98797897 in words is "ninety-eight million, seven hundred ninety-seven thousand, eight hundred ninety-seven".

Divisors: 1 11 17 101 187 1111 1717 5231 18887 57541 88927 528331 978197 5811641 8981627 98797897