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980530801 = 1153850417
BaseRepresentation
bin111010011100011…
…011011001110001
32112100001010101121
4322130123121301
54002003441201
6241144102241
733204242245
oct7234333161
92470033347
10980530801
11463536338
12234464981
131281b1553
1494320425
155b1379a1
hex3a71b671

980530801 has 4 divisors (see below), whose sum is σ = 981382372. Its totient is φ = 979679232.

The previous prime is 980530787. The next prime is 980530807. The reversal of 980530801 is 108035089.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 303282225 + 677248576 = 17415^2 + 26024^2 .

It is a cyclic number.

It is not a de Polignac number, because 980530801 - 29 = 980530289 is a prime.

It is a super-2 number, since 2×9805308012 = 1922881303419403202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (980530807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424056 + ... + 426361.

It is an arithmetic number, because the mean of its divisors is an integer number (245345593).

Almost surely, 2980530801 is an apocalyptic number.

It is an amenable number.

980530801 is a deficient number, since it is larger than the sum of its proper divisors (851571).

980530801 is a wasteful number, since it uses less digits than its factorization.

980530801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851570.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 980530801 is about 31313.4284453172. The cubic root of 980530801 is about 993.4676888243.

The spelling of 980530801 in words is "nine hundred eighty million, five hundred thirty thousand, eight hundred one".

Divisors: 1 1153 850417 980530801