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948389 = 1372953
BaseRepresentation
bin11100111100010100101
31210011221112
43213202211
5220322024
632154405
711026661
oct3474245
91704845
10948389
115985a2
12398a05
132728a0
141a98a1
1513b00e
hexe78a5

948389 has 4 divisors (see below), whose sum is σ = 1021356. Its totient is φ = 875424.

The previous prime is 948377. The next prime is 948391. The reversal of 948389 is 983849.

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 280900 + 667489 = 530^2 + 817^2 .

It is a cyclic number.

It is not a de Polignac number, because 948389 - 28 = 948133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (948349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36464 + ... + 36489.

It is an arithmetic number, because the mean of its divisors is an integer number (255339).

2948389 is an apocalyptic number.

It is an amenable number.

948389 is a deficient number, since it is larger than the sum of its proper divisors (72967).

948389 is a wasteful number, since it uses less digits than its factorization.

948389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72966.

The product of its digits is 62208, while the sum is 41.

The square root of 948389 is about 973.8526582600. The cubic root of 948389 is about 98.2491577514.

The spelling of 948389 in words is "nine hundred forty-eight thousand, three hundred eighty-nine".

Divisors: 1 13 72953 948389