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989492 = 22735339
BaseRepresentation
bin11110001100100110100
31212021022212
43301210310
5223130432
633112552
711260550
oct3614464
91767285
10989492
11616469
123b8758
132884ca
141ba860
151482b2
hexf1934

989492 has 12 divisors (see below), whose sum is σ = 1979040. Its totient is φ = 424056.

The previous prime is 989479. The next prime is 989507. The reversal of 989492 is 294989.

989492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

989492 is an admirable number.

It is an alternating number because its digits alternate between odd and even.

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 989492.

It is an unprimeable number.

989492 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17642 + ... + 17697.

It is an arithmetic number, because the mean of its divisors is an integer number (164920).

2989492 is an apocalyptic number.

It is an amenable number.

989492 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

989492 is a wasteful number, since it uses less digits than its factorization.

989492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35350 (or 35348 counting only the distinct ones).

The product of its digits is 46656, while the sum is 41.

The square root of 989492 is about 994.7321247451. The cubic root of 989492 is about 99.6484992532.

The spelling of 989492 in words is "nine hundred eighty-nine thousand, four hundred ninety-two".

Divisors: 1 2 4 7 14 28 35339 70678 141356 247373 494746 989492