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980477017 = 1375421309
BaseRepresentation
bin111010011100001…
…110010001011001
32112022221101121121
4322130032101121
54002000231032
6241143005241
733203626402
oct7234162131
92468841547
10980477017
114634a9993
12234439821
13128192c20
14943089a9
155b126a97
hex3a70e459

980477017 has 4 divisors (see below), whose sum is σ = 1055898340. Its totient is φ = 905055696.

The previous prime is 980477009. The next prime is 980477027. The reversal of 980477017 is 710774089.

980477017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 544335561 + 436141456 = 23331^2 + 20884^2 .

It is a cyclic number.

It is not a de Polignac number, because 980477017 - 23 = 980477009 is a prime.

It is a super-2 number, since 2×9804770172 = 1922670361730436578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (980477027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37710642 + ... + 37710667.

It is an arithmetic number, because the mean of its divisors is an integer number (263974585).

Almost surely, 2980477017 is an apocalyptic number.

It is an amenable number.

980477017 is a deficient number, since it is larger than the sum of its proper divisors (75421323).

980477017 is a wasteful number, since it uses less digits than its factorization.

980477017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75421322.

The product of its (nonzero) digits is 98784, while the sum is 43.

The square root of 980477017 is about 31312.5696326571. The cubic root of 980477017 is about 993.4495239545.

The spelling of 980477017 in words is "nine hundred eighty million, four hundred seventy-seven thousand, seventeen".

Divisors: 1 13 75421309 980477017