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493844 = 22139497
BaseRepresentation
bin1111000100100010100
3221002102112
41320210110
5111300334
614330152
74124531
oct1704424
9832375
10493844
1130803a
121b9958
13143a20
14cbd88
159b4ce
hex78914

493844 has 12 divisors (see below), whose sum is σ = 930804. Its totient is φ = 227904.

The previous prime is 493817. The next prime is 493853. The reversal of 493844 is 448394.

493844 = T111 + T112 + ... + T162.

It can be written as a sum of positive squares in 2 ways, for example, as 44944 + 448900 = 212^2 + 670^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 493844.

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 493844.

It is an unprimeable number.

493844 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, 4697 + ... + 4800.

It is an arithmetic number, because the mean of its divisors is an integer number (77567).

2493844 is an apocalyptic number.

It is an amenable number.

493844 is a deficient number, since it is larger than the sum of its proper divisors (436960).

493844 is a wasteful number, since it uses less digits than its factorization.

493844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9514 (or 9512 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 493844 is about 702.7403503429. The cubic root of 493844 is about 79.0429718678.

It can be divided in two parts, 49 and 3844, that multiplied together give a square (188356 = 4342).

The spelling of 493844 in words is "four hundred ninety-three thousand, eight hundred forty-four".

Divisors: 1 2 4 13 26 52 9497 18994 37988 123461 246922 493844