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153434323 = 721919189
BaseRepresentation
bin10010010010100…
…11100011010011
3101200201021022201
421021103203103
5303234344243
623120344031
73542112250
oct1111234323
9350637281
10153434323
1179678529
1243475017
1325a32153
1416540427
15d70c04d
hex92538d3

153434323 has 4 divisors (see below), whose sum is σ = 175353520. Its totient is φ = 131515128.

The previous prime is 153434321. The next prime is 153434371. The reversal of 153434323 is 323434351.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 153434323 - 21 = 153434321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 153434291 and 153434300.

It is not an unprimeable number, because it can be changed into a prime (153434321) 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, 10959588 + ... + 10959601.

It is an arithmetic number, because the mean of its divisors is an integer number (43838380).

Almost surely, 2153434323 is an apocalyptic number.

153434323 is a deficient number, since it is larger than the sum of its proper divisors (21919197).

153434323 is an equidigital number, since it uses as much as digits as its factorization.

153434323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21919196.

The product of its digits is 12960, while the sum is 28.

The square root of 153434323 is about 12386.8609017781. The cubic root of 153434323 is about 535.3537393305.

Adding to 153434323 its sum of digits (28), we get a palindrome (153434351).

Adding to 153434323 its reverse (323434351), we get a palindrome (476868674).

The spelling of 153434323 in words is "one hundred fifty-three million, four hundred thirty-four thousand, three hundred twenty-three".

Divisors: 1 7 21919189 153434323