Search a number
-
+
4069442 = 213281557
BaseRepresentation
bin1111100001100001000010
321122202020002
433201201002
52020210232
6223120002
746406156
oct17414102
97582202
104069442
11232a483
121443002
13ac6370
1477d066
15555b62
hex3e1842

4069442 has 16 divisors (see below), whose sum is σ = 6608952. Its totient is φ = 1868160.

The previous prime is 4069433. The next prime is 4069451. The reversal of 4069442 is 2449604.

It is an interprime number because it is at equal distance from previous prime (4069433) and next prime (4069451).

It can be written as a sum of positive squares in 4 ways, for example, as 2217121 + 1852321 = 1489^2 + 1361^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7028 + ... + 7584.

Almost surely, 24069442 is an apocalyptic number.

4069442 is a deficient number, since it is larger than the sum of its proper divisors (2539510).

4069442 is a wasteful number, since it uses less digits than its factorization.

4069442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 4069442 is about 2017.2858002772. The cubic root of 4069442 is about 159.6534426126.

The spelling of 4069442 in words is "four million, sixty-nine thousand, four hundred forty-two".

Divisors: 1 2 13 26 281 557 562 1114 3653 7241 7306 14482 156517 313034 2034721 4069442