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4205288 = 234112821
BaseRepresentation
bin10000000010101011101000
321220122120102
4100002223220
52034032123
6230044532
750513213
oct20025350
97818512
104205288
11241254a
1214a9748
13b43149
147b677a
15581028
hex402ae8

4205288 has 16 divisors (see below), whose sum is σ = 8077860. Its totient is φ = 2051200.

The previous prime is 4205281. The next prime is 4205303. The reversal of 4205288 is 8825024.

It can be written as a sum of positive squares in 2 ways, for example, as 3034564 + 1170724 = 1742^2 + 1082^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4205288.

It is not an unprimeable number, because it can be changed into a prime (4205281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6083 + ... + 6738.

Almost surely, 24205288 is an apocalyptic number.

It is an amenable number.

4205288 is a deficient number, since it is larger than the sum of its proper divisors (3872572).

4205288 is a wasteful number, since it uses less digits than its factorization.

4205288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12868 (or 12864 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 4205288 is about 2050.6798872569. The cubic root of 4205288 is about 161.4105489876.

The spelling of 4205288 in words is "four million, two hundred five thousand, two hundred eighty-eight".

Divisors: 1 2 4 8 41 82 164 328 12821 25642 51284 102568 525661 1051322 2102644 4205288