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408068 = 22172353
BaseRepresentation
bin1100011101000000100
3202201202122
41203220010
5101024233
612425112
73316463
oct1435004
9681678
10408068
11259651
12178198
1311397b
14a89da
1580d98
hex63a04

408068 has 18 divisors (see below), whose sum is σ = 760746. Its totient is φ = 191488.

The previous prime is 408049. The next prime is 408071. The reversal of 408068 is 860804.

It can be written as a sum of positive squares in 3 ways, for example, as 145924 + 262144 = 382^2 + 512^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 980 + ... + 1332.

2408068 is an apocalyptic number.

It is an amenable number.

408068 is a deficient number, since it is larger than the sum of its proper divisors (352678).

408068 is a wasteful number, since it uses less digits than its factorization.

408068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 408068 is about 638.8020037539. The cubic root of 408068 is about 74.1727156340.

The spelling of 408068 in words is "four hundred eight thousand, sixty-eight".

Divisors: 1 2 4 17 34 68 289 353 578 706 1156 1412 6001 12002 24004 102017 204034 408068