Search a number
-
+
153440233 = 7310320407
BaseRepresentation
bin10010010010101…
…00111111101001
3101200201120102121
421021110333221
5303240041413
623120431241
73542135422
oct1111247751
9350646377
10153440233
1179681a11
1243478521
1325a34a4b
1416542649
15d70db8d
hex9254fe9

153440233 has 8 divisors (see below), whose sum is σ = 157059968. Its totient is φ = 149861664.

The previous prime is 153440227. The next prime is 153440237. The reversal of 153440233 is 332044351.

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

It is a cyclic number.

It is not a de Polignac number, because 153440233 - 25 = 153440201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 153440198 and 153440207.

It is not an unprimeable number, because it can be changed into a prime (153440237) 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, 2685 + ... + 17722.

It is an arithmetic number, because the mean of its divisors is an integer number (19632496).

Almost surely, 2153440233 is an apocalyptic number.

It is an amenable number.

153440233 is a deficient number, since it is larger than the sum of its proper divisors (3619735).

153440233 is a wasteful number, since it uses less digits than its factorization.

153440233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20583.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 153440233 is about 12387.0994587111. The cubic root of 153440233 is about 535.3606128469.

Adding to 153440233 its reverse (332044351), we get a palindrome (485484584).

The spelling of 153440233 in words is "one hundred fifty-three million, four hundred forty thousand, two hundred thirty-three".

Divisors: 1 73 103 7519 20407 1489711 2101921 153440233