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980609 = 71973101
BaseRepresentation
bin11101111011010000001
31211211010212
43233122001
5222334414
633003505
711222630
oct3573201
91754125
10980609
1160a823
123b3595
13284456
141b7517
1514583e
hexef681

980609 has 16 divisors (see below), whose sum is σ = 1207680. Its totient is φ = 777600.

The previous prime is 980599. The next prime is 980621. The reversal of 980609 is 906089.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 980609 - 24 = 980593 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 980609.

It is not an unprimeable number, because it can be changed into a prime (980689) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 9659 + ... + 9759.

It is an arithmetic number, because the mean of its divisors is an integer number (75480).

2980609 is an apocalyptic number.

It is an amenable number.

980609 is a deficient number, since it is larger than the sum of its proper divisors (227071).

980609 is a wasteful number, since it uses less digits than its factorization.

980609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 980609 is about 990.2570373393. The cubic root of 980609 is about 99.3494098369.

The spelling of 980609 in words is "nine hundred eighty thousand, six hundred nine".

Divisors: 1 7 19 73 101 133 511 707 1387 1919 7373 9709 13433 51611 140087 980609