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980441 = 721117107
BaseRepresentation
bin11101111010111011001
31211210220122
43233113121
5222333231
633003025
711222300
oct3572731
91753818
10980441
1160a690
123b3475
13284357
141b7437
1514577b
hexef5d9

980441 has 24 divisors (see below), whose sum is σ = 1329696. Its totient is φ = 712320.

The previous prime is 980431. The next prime is 980449. The reversal of 980441 is 144089.

It is not a de Polignac number, because 980441 - 26 = 980377 is a prime.

It is a super-2 number, since 2×9804412 = 1922529108962, which contains 22 as substring.

It is a Duffinian number.

980441 is a modest number, since divided by 441 gives 98 as remainder.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 980441.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 980441.

It is not an unprimeable number, because it can be changed into a prime (980449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9110 + ... + 9216.

It is an arithmetic number, because the mean of its divisors is an integer number (55404).

2980441 is an apocalyptic number.

It is an amenable number.

980441 is a deficient number, since it is larger than the sum of its proper divisors (349255).

980441 is a wasteful number, since it uses less digits than its factorization.

980441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 980441 is about 990.1722072448. The cubic root of 980441 is about 99.3437359294.

The spelling of 980441 in words is "nine hundred eighty thousand, four hundred forty-one".

Divisors: 1 7 11 17 49 77 107 119 187 539 749 833 1177 1309 1819 5243 8239 9163 12733 20009 57673 89131 140063 980441