Search a number
-
+
22068354 = 23711371291
BaseRepresentation
bin101010000101…
…1110010000010
31112112012002110
41110023302002
521122141404
62105000150
7355402140
oct124136202
945465073
1022068354
1111503310
127483056
1347589c9
142d06590
151e0db89
hex150bc82

22068354 has 64 divisors (see below), whose sum is σ = 56558592. Its totient is φ = 5572800.

The previous prime is 22068353. The next prime is 22068379. The reversal of 22068354 is 45386022.

It is not an unprimeable number, because it can be changed into a prime (22068353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16449 + ... + 17739.

It is an arithmetic number, because the mean of its divisors is an integer number (883728).

Almost surely, 222068354 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22068354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28279296).

22068354 is an abundant number, since it is smaller than the sum of its proper divisors (34490238).

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

22068354 is a wasteful number, since it uses less digits than its factorization.

22068354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 22068354 is about 4697.6966696457. The cubic root of 22068354 is about 280.4938309083.

It can be divided in two parts, 22068 and 354, that added together give a palindrome (22422).

The spelling of 22068354 in words is "twenty-two million, sixty-eight thousand, three hundred fifty-four".

Divisors: 1 2 3 6 7 11 14 21 22 33 37 42 66 74 77 111 154 222 231 259 407 462 518 777 814 1221 1291 1554 2442 2582 2849 3873 5698 7746 8547 9037 14201 17094 18074 27111 28402 42603 47767 54222 85206 95534 99407 143301 198814 286602 298221 334369 525437 596442 668738 1003107 1050874 1576311 2006214 3152622 3678059 7356118 11034177 22068354