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984380345 = 51315144313
BaseRepresentation
bin111010101011000…
…111001110111001
32112121021200222022
4322223013032321
54004000132340
6241402404225
733252044354
oct7253071671
92477250868
10984380345
11465725583
12235800675
13128c2b7a0
1494a4329b
155b6483b5
hex3aac73b9

984380345 has 8 divisors (see below), whose sum is σ = 1272122376. Its totient is φ = 726926976.

The previous prime is 984380297. The next prime is 984380351. The reversal of 984380345 is 543083489.

It can be written as a sum of positive squares in 4 ways, for example, as 33028009 + 951352336 = 5747^2 + 30844^2 .

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 984380345 - 210 = 984379321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 984380296 and 984380305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7572092 + ... + 7572221.

It is an arithmetic number, because the mean of its divisors is an integer number (159015297).

Almost surely, 2984380345 is an apocalyptic number.

It is an amenable number.

984380345 is a deficient number, since it is larger than the sum of its proper divisors (287742031).

984380345 is a wasteful number, since it uses less digits than its factorization.

984380345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15144331.

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 984380345 is about 31374.8361748711. The cubic root of 984380345 is about 994.7661024416.

The spelling of 984380345 in words is "nine hundred eighty-four million, three hundred eighty thousand, three hundred forty-five".

Divisors: 1 5 13 65 15144313 75721565 196876069 984380345