Search a number
-
+
4208642 = 213915139
BaseRepresentation
bin10000000011100000000010
321220211011122
4100003200002
52034134032
6230112242
750526044
oct20034002
97824148
104208642
112415019
1214ab682
13b44829
147b7a94
15582012
hex403802

4208642 has 8 divisors (see below), whose sum is σ = 6358800. Its totient is φ = 2089044.

The previous prime is 4208641. The next prime is 4208657. The reversal of 4208642 is 2468024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (4208641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7292 + ... + 7847.

It is an arithmetic number, because the mean of its divisors is an integer number (794850).

Almost surely, 24208642 is an apocalyptic number.

4208642 is a deficient number, since it is larger than the sum of its proper divisors (2150158).

4208642 is a wasteful number, since it uses less digits than its factorization.

4208642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15280.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 4208642 is about 2051.4975018264. The cubic root of 4208642 is about 161.4534495070.

The spelling of 4208642 in words is "four million, two hundred eight thousand, six hundred forty-two".

Divisors: 1 2 139 278 15139 30278 2104321 4208642