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4208013 = 32467557
BaseRepresentation
bin10000000011010110001101
321220210022100
4100003112031
52034124023
6230105313
750524155
oct20032615
97823270
104208013
1124145a7
1214ab239
13b44464
147b7765
15581c43
hex40358d

4208013 has 6 divisors (see below), whose sum is σ = 6078254. Its totient is φ = 2805336.

The previous prime is 4207991. The next prime is 4208053. The reversal of 4208013 is 3108024.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2125764 + 2082249 = 1458^2 + 1443^2 .

It is not a de Polignac number, because 4208013 - 25 = 4207981 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4208053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 233770 + ... + 233787.

Almost surely, 24208013 is an apocalyptic number.

It is an amenable number.

4208013 is a deficient number, since it is larger than the sum of its proper divisors (1870241).

4208013 is a wasteful number, since it uses less digits than its factorization.

4208013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467563 (or 467560 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 4208013 is about 2051.3441934497. The cubic root of 4208013 is about 161.4454057977.

The spelling of 4208013 in words is "four million, two hundred eight thousand, thirteen".

Divisors: 1 3 9 467557 1402671 4208013