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989051 = 7229617
BaseRepresentation
bin11110001011101111011
31212020201112
43301131323
5223122201
633110535
711256350
oct3613573
91766645
10989051
116160a8
123b844b
1328824b
141ba627
151480bb
hexf177b

989051 has 8 divisors (see below), whose sum is σ = 1137120. Its totient is φ = 842688.

The previous prime is 989029. The next prime is 989059. The reversal of 989051 is 150989.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-989051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 988999 and 989017.

It is not an unprimeable number, because it can be changed into a prime (989059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1295 + ... + 1911.

It is an arithmetic number, because the mean of its divisors is an integer number (142140).

2989051 is an apocalyptic number.

989051 is a deficient number, since it is larger than the sum of its proper divisors (148069).

989051 is a wasteful number, since it uses less digits than its factorization.

989051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 989051 is about 994.5104323234. The cubic root of 989051 is about 99.6336931647.

The spelling of 989051 in words is "nine hundred eighty-nine thousand, fifty-one".

Divisors: 1 7 229 617 1603 4319 141293 989051