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982689121 = 1496595229
BaseRepresentation
bin111010100100101…
…010010101100001
32112111002210001101
4322210222111201
54003032022441
6241302234401
733231501601
oct7244522541
92474083041
10982689121
1146477a977
12235125a01
13128788a6b
1494722c01
155b412231
hex3a92a561

982689121 has 4 divisors (see below), whose sum is σ = 989284500. Its totient is φ = 976093744.

The previous prime is 982689091. The next prime is 982689161. The reversal of 982689121 is 121986289.

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

It can be written as a sum of positive squares in 2 ways, for example, as 86285521 + 896403600 = 9289^2 + 29940^2 .

It is a cyclic number.

It is not a de Polignac number, because 982689121 - 225 = 949134689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (982689161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3297466 + ... + 3297763.

It is an arithmetic number, because the mean of its divisors is an integer number (247321125).

Almost surely, 2982689121 is an apocalyptic number.

It is an amenable number.

982689121 is a deficient number, since it is larger than the sum of its proper divisors (6595379).

982689121 is a wasteful number, since it uses less digits than its factorization.

982689121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6595378.

The product of its digits is 124416, while the sum is 46.

The square root of 982689121 is about 31347.8726710442. The cubic root of 982689121 is about 994.1960867602.

The spelling of 982689121 in words is "nine hundred eighty-two million, six hundred eighty-nine thousand, one hundred twenty-one".

Divisors: 1 149 6595229 982689121