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982930813 = 17320272803
BaseRepresentation
bin111010100101100…
…101010101111101
32112111120001120221
4322211211111331
54003112241223
6241311341341
733233526334
oct7245452575
92474501527
10982930813
11464925517
12235221851
13128841a87
1494786d1b
155b45db5d
hex3a96557d

982930813 has 8 divisors (see below), whose sum is σ = 989453088. Its totient is φ = 976418544.

The previous prime is 982930807. The next prime is 982930841. The reversal of 982930813 is 318039289.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 982930813 - 29 = 982930301 is a prime.

It is a super-3 number, since 3×9829308133 (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 982930813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (982930873) 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, 349270 + ... + 352072.

It is an arithmetic number, because the mean of its divisors is an integer number (123681636).

Almost surely, 2982930813 is an apocalyptic number.

It is an amenable number.

982930813 is a deficient number, since it is larger than the sum of its proper divisors (6522275).

982930813 is a wasteful number, since it uses less digits than its factorization.

982930813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5003.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 982930813 is about 31351.7274324717. The cubic root of 982930813 is about 994.2775874567.

The spelling of 982930813 in words is "nine hundred eighty-two million, nine hundred thirty thousand, eight hundred thirteen".

Divisors: 1 173 2027 2803 350671 484919 5681681 982930813