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853942 = 2426971
BaseRepresentation
bin11010000011110110110
31121101101111
43100132312
5204311232
630145234
710154425
oct3203666
91541344
10853942
11533641
1235221a
1323b8bb
141832bc
1511d047
hexd07b6

853942 has 4 divisors (see below), whose sum is σ = 1280916. Its totient is φ = 426970.

The previous prime is 853933. The next prime is 853949. The reversal of 853942 is 249358.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 249358 = 2124679.

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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (853949) 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 as a sum of consecutive naturals, namely, 213484 + ... + 213487.

It is an arithmetic number, because the mean of its divisors is an integer number (320229).

2853942 is an apocalyptic number.

853942 is a deficient number, since it is larger than the sum of its proper divisors (426974).

853942 is a wasteful number, since it uses less digits than its factorization.

853942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426973.

The product of its digits is 8640, while the sum is 31.

The square root of 853942 is about 924.0898224740. The cubic root of 853942 is about 94.8730344515.

The spelling of 853942 in words is "eight hundred fifty-three thousand, nine hundred forty-two".

Divisors: 1 2 426971 853942