Search a number
-
+
151243343 = 311486313
BaseRepresentation
bin10010000001111…
…00101001001111
3101112120221212022
421000330221033
5302204241333
623001400355
73514355456
oct1100745117
9345527768
10151243343
11784113a9
12427990bb
1325445b04
141612db9d
15d427c98
hex903ca4f

151243343 has 4 divisors (see below), whose sum is σ = 151729968. Its totient is φ = 150756720.

The previous prime is 151243333. The next prime is 151243349. The reversal of 151243343 is 343342151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343342151 = 792743313.

It is a cyclic number.

It is not a de Polignac number, because 151243343 - 222 = 147049039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151243349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242846 + ... + 243467.

It is an arithmetic number, because the mean of its divisors is an integer number (37932492).

Almost surely, 2151243343 is an apocalyptic number.

151243343 is a deficient number, since it is larger than the sum of its proper divisors (486625).

151243343 is an equidigital number, since it uses as much as digits as its factorization.

151243343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486624.

The product of its digits is 4320, while the sum is 26.

The square root of 151243343 is about 12298.1032277339. The cubic root of 151243343 is about 532.7933015038.

Adding to 151243343 its reverse (343342151), we get a palindrome (494585494).

The spelling of 151243343 in words is "one hundred fifty-one million, two hundred forty-three thousand, three hundred forty-three".

Divisors: 1 311 486313 151243343