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4401189 = 331312539
BaseRepresentation
bin10000110010100000100101
322021121022000
4100302200211
52111314224
6234155513
752260312
oct20624045
98247260
104401189
112536751
121582b99
13bb1370
14827d09
155be0c9
hex432825

4401189 has 16 divisors (see below), whose sum is σ = 7022400. Its totient is φ = 2708208.

The previous prime is 4401143. The next prime is 4401191. The reversal of 4401189 is 9811044.

It is not a de Polignac number, because 4401189 - 221 = 2304037 is a prime.

It is a super-2 number, since 2×44011892 = 38740929227442, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

4401189 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4401289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5919 + ... + 6620.

It is an arithmetic number, because the mean of its divisors is an integer number (438900).

Almost surely, 24401189 is an apocalyptic number.

It is an amenable number.

4401189 is a deficient number, since it is larger than the sum of its proper divisors (2621211).

4401189 is a wasteful number, since it uses less digits than its factorization.

4401189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12561 (or 12555 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 4401189 is about 2097.9010939508. The cubic root of 4401189 is about 163.8790129876.

It can be divided in two parts, 44011 and 89, that added together give a square (44100 = 2102).

The spelling of 4401189 in words is "four million, four hundred one thousand, one hundred eighty-nine".

Divisors: 1 3 9 13 27 39 117 351 12539 37617 112851 163007 338553 489021 1467063 4401189