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6142444 = 227311237
BaseRepresentation
bin10111011011100111101100
3102120001211221
4113123213230
53033024234
6335353124
7103132000
oct27334754
912501757
106142444
113515a00
1220827a4
131370aa9
14b5c700
15814eb4
hex5db9ec

6142444 has 72 divisors (see below), whose sum is σ = 14151200. Its totient is φ = 2328480.

The previous prime is 6142441. The next prime is 6142463. The reversal of 6142444 is 4442416.

It is not an unprimeable number, because it can be changed into a prime (6142441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165994 + ... + 166030.

Almost surely, 26142444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6142444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7075600).

6142444 is an abundant number, since it is smaller than the sum of its proper divisors (8008756).

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

6142444 is a wasteful number, since it uses less digits than its factorization.

6142444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84 (or 57 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 6142444 is about 2478.3954486724. The cubic root of 6142444 is about 183.1388159114.

The spelling of 6142444 in words is "six million, one hundred forty-two thousand, four hundred forty-four".

Divisors: 1 2 4 7 11 14 22 28 37 44 49 74 77 98 121 148 154 196 242 259 308 343 407 484 518 539 686 814 847 1036 1078 1372 1628 1694 1813 2156 2849 3388 3626 3773 4477 5698 5929 7252 7546 8954 11396 11858 12691 15092 17908 19943 23716 25382 31339 39886 41503 50764 62678 79772 83006 125356 139601 166012 219373 279202 438746 558404 877492 1535611 3071222 6142444