Search a number
-
+
8041212 = 2232223367
BaseRepresentation
bin11110101011001011111100
3120010112110200
4132223023330
54024304322
6444203500
7125230524
oct36531374
916115420
108041212
1145a2533
122839590
13188711a
1410d4684
15a8c8ac
hex7ab2fc

8041212 has 18 divisors (see below), whose sum is σ = 20326488. Its totient is φ = 2680392.

The previous prime is 8041181. The next prime is 8041219. The reversal of 8041212 is 2121408.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×80412122 = 129322180857888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

8041212 is a modest number, since divided by 1212 gives 804 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8041219) 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, 111648 + ... + 111719.

Almost surely, 28041212 is an apocalyptic number.

It is an amenable number.

8041212 is an abundant number, since it is smaller than the sum of its proper divisors (12285276).

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

8041212 is a wasteful number, since it uses less digits than its factorization.

8041212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223377 (or 223372 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 8041212 is about 2835.7030874194. The cubic root of 8041212 is about 200.3428452831.

It can be divided in two parts, 804 and 1212, that added together give a triangular number (2016 = T63).

The spelling of 8041212 in words is "eight million, forty-one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 223367 446734 670101 893468 1340202 2010303 2680404 4020606 8041212