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842492 = 22730089
BaseRepresentation
bin11001101101011111100
31120210200102
43031223330
5203424432
630020232
710106150
oct3155374
91523612
10842492
11525a82
12347678
13236621
1417d060
15119962
hexcdafc

842492 has 12 divisors (see below), whose sum is σ = 1685040. Its totient is φ = 361056.

The previous prime is 842489. The next prime is 842497. The reversal of 842492 is 294248.

842492 is an admirable number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

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 842492.

It is not an unprimeable number, because it can be changed into a prime (842497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15017 + ... + 15072.

It is an arithmetic number, because the mean of its divisors is an integer number (140420).

2842492 is an apocalyptic number.

It is an amenable number.

842492 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.

842492 is a wasteful number, since it uses less digits than its factorization.

842492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30100 (or 30098 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 842492 is about 917.8736296463. The cubic root of 842492 is about 94.4470929925.

The spelling of 842492 in words is "eight hundred forty-two thousand, four hundred ninety-two".

Divisors: 1 2 4 7 14 28 30089 60178 120356 210623 421246 842492