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980310921 = 3794136333
BaseRepresentation
bin111010011011100…
…101101110001001
32112022121221202220
4322123211232021
54001424422141
6241135244253
733202335222
oct7233455611
92468557686
10980310921
114633a6117
12234379689
13128135445
14942a4249
155b0e2766
hex3a6e5b89

980310921 has 8 divisors (see below), whose sum is σ = 1323626880. Its totient is φ = 645267792.

The previous prime is 980310911. The next prime is 980310937. The reversal of 980310921 is 129013089.

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

It is not a de Polignac number, because 980310921 - 214 = 980294537 is a prime.

It is a super-2 number, since 2×9803109212 = 1922019003663736482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (980310911) 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 7 ways as a sum of consecutive naturals, for example, 2067930 + ... + 2068403.

It is an arithmetic number, because the mean of its divisors is an integer number (165453360).

Almost surely, 2980310921 is an apocalyptic number.

It is an amenable number.

980310921 is a deficient number, since it is larger than the sum of its proper divisors (343315959).

980310921 is a wasteful number, since it uses less digits than its factorization.

980310921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4136415.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 980310921 is about 31309.9172946848. The cubic root of 980310921 is about 993.3934229248.

The spelling of 980310921 in words is "nine hundred eighty million, three hundred ten thousand, nine hundred twenty-one".

Divisors: 1 3 79 237 4136333 12408999 326770307 980310921