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980384 = 2530637
BaseRepresentation
bin11101111010110100000
31211210211112
43233112200
5222333014
633002452
711222156
oct3572640
91753745
10980384
1160a639
123b3428
13284312
141b73d6
1514573e
hexef5a0

980384 has 12 divisors (see below), whose sum is σ = 1930194. Its totient is φ = 490176.

The previous prime is 980377. The next prime is 980393. The reversal of 980384 is 483089.

It can be written as a sum of positive squares in only one way, i.e., 595984 + 384400 = 772^2 + 620^2 .

It is a super-2 number, since 2×9803842 = 1922305574912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 30637 = 980384 / (9 + 8 + 0 + 3 + 8 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 980384.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15287 + ... + 15350.

2980384 is an apocalyptic number.

It is an amenable number.

980384 is a deficient number, since it is larger than the sum of its proper divisors (949810).

980384 is a wasteful number, since it uses less digits than its factorization.

980384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30647 (or 30639 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 980384 is about 990.1434239543. The cubic root of 980384 is about 99.3418107064.

The spelling of 980384 in words is "nine hundred eighty thousand, three hundred eighty-four".

Divisors: 1 2 4 8 16 32 30637 61274 122548 245096 490192 980384