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980671 = 2933347
BaseRepresentation
bin11101111011010111111
31211211020011
43233122333
5222340141
633004051
711223046
oct3573277
91754204
10980671
1160a87a
123b3627
132844a3
141b755d
15145881
hexef6bf

980671 has 4 divisors (see below), whose sum is σ = 984312. Its totient is φ = 977032.

The previous prime is 980641. The next prime is 980677. The reversal of 980671 is 176089.

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

It is a cyclic number.

It is not a de Polignac number, because 980671 - 29 = 980159 is a prime.

It is a super-2 number, since 2×9806712 = 1923431220482, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980677) 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, 1381 + ... + 1966.

It is an arithmetic number, because the mean of its divisors is an integer number (246078).

2980671 is an apocalyptic number.

980671 is a deficient number, since it is larger than the sum of its proper divisors (3641).

980671 is a wasteful number, since it uses less digits than its factorization.

980671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3640.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 980671 is about 990.2883418480. The cubic root of 980671 is about 99.3515036152.

The spelling of 980671 in words is "nine hundred eighty thousand, six hundred seventy-one".

Divisors: 1 293 3347 980671