Search a number
-
+
22738641 = 341223829
BaseRepresentation
bin101011010111…
…1011011010001
31120210020112220
41112233123101
521310114031
62131211253
7364163262
oct126573321
946706486
1022738641
1111920972
127746b29
134931b23
14303c969
151ee2596
hex15af6d1

22738641 has 16 divisors (see below), whose sum is σ = 31234560. Its totient is φ = 14705280.

The previous prime is 22738627. The next prime is 22738657. The reversal of 22738641 is 14683722.

It is not a de Polignac number, because 22738641 - 215 = 22705873 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22730641) 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, 27015 + ... + 27843.

It is an arithmetic number, because the mean of its divisors is an integer number (1952160).

Almost surely, 222738641 is an apocalyptic number.

It is an amenable number.

22738641 is a deficient number, since it is larger than the sum of its proper divisors (8495919).

22738641 is a wasteful number, since it uses less digits than its factorization.

22738641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096.

The product of its digits is 16128, while the sum is 33.

The square root of 22738641 is about 4768.5051116676. The cubic root of 22738641 is about 283.3053885550.

The spelling of 22738641 in words is "twenty-two million, seven hundred thirty-eight thousand, six hundred forty-one".

Divisors: 1 3 41 123 223 669 829 2487 9143 27429 33989 101967 184867 554601 7579547 22738641