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4208961 = 37319219
BaseRepresentation
bin10000000011100101000001
321220211121110
4100003211001
52034141321
6230113533
750530011
oct20034501
97824543
104208961
112415289
1214ab8a9
13b44a13
147b7c41
15582176
hex403941

4208961 has 8 divisors (see below), whose sum is σ = 5689120. Its totient is φ = 2767392.

The previous prime is 4208959. The next prime is 4208983. The reversal of 4208961 is 1698024.

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

It is not a de Polignac number, because 4208961 - 21 = 4208959 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4208261) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9391 + ... + 9828.

It is an arithmetic number, because the mean of its divisors is an integer number (711140).

Almost surely, 24208961 is an apocalyptic number.

It is an amenable number.

4208961 is a deficient number, since it is larger than the sum of its proper divisors (1480159).

4208961 is a wasteful number, since it uses less digits than its factorization.

4208961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19295.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 4208961 is about 2051.5752484372. The cubic root of 4208961 is about 161.4575286018.

The spelling of 4208961 in words is "four million, two hundred eight thousand, nine hundred sixty-one".

Divisors: 1 3 73 219 19219 57657 1402987 4208961