Search a number
-
+
223440153 = 3193385907
BaseRepresentation
bin11010101000101…
…10110100011001
3120120102221021020
431110112310121
5424200041103
634101033053
75352132006
oct1524266431
9516387236
10223440153
11105142992
12629b5789
13373a3511
14219648ad
1514939753
hexd516d19

223440153 has 8 divisors (see below), whose sum is σ = 299464608. Its totient is φ = 148187904.

The previous prime is 223440143. The next prime is 223440167. The reversal of 223440153 is 351044322.

223440153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 223440153 - 25 = 223440121 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (223440143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192375 + ... + 193532.

It is an arithmetic number, because the mean of its divisors is an integer number (37433076).

Almost surely, 2223440153 is an apocalyptic number.

It is an amenable number.

223440153 is a deficient number, since it is larger than the sum of its proper divisors (76024455).

223440153 is a wasteful number, since it uses less digits than its factorization.

223440153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386103.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 223440153 is about 14947.9146706154. The cubic root of 223440153 is about 606.8114123821.

Adding to 223440153 its reverse (351044322), we get a palindrome (574484475).

The spelling of 223440153 in words is "two hundred twenty-three million, four hundred forty thousand, one hundred fifty-three".

Divisors: 1 3 193 579 385907 1157721 74480051 223440153