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4121860 = 2251910847
BaseRepresentation
bin1111101110010100000100
321202102010111
433232110010
52023344420
6224202404
750015041
oct17562404
97672114
104121860
1123658a6
121469404
13b14192
147941c8
1556645a
hex3ee504

4121860 has 24 divisors (see below), whose sum is σ = 9112320. Its totient is φ = 1561824.

The previous prime is 4121849. The next prime is 4121861. The reversal of 4121860 is 681214.

4121860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4121861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5044 + ... + 5803.

It is an arithmetic number, because the mean of its divisors is an integer number (379680).

Almost surely, 24121860 is an apocalyptic number.

It is an amenable number.

4121860 is an abundant number, since it is smaller than the sum of its proper divisors (4990460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4121860 is a wasteful number, since it uses less digits than its factorization.

4121860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10875 (or 10873 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 4121860 is about 2030.2364394326. The cubic root of 4121860 is about 160.3360126031.

The spelling of 4121860 in words is "four million, one hundred twenty-one thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 10847 21694 43388 54235 108470 206093 216940 412186 824372 1030465 2060930 4121860