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242311023 = 32107251621
BaseRepresentation
bin11100111000101…
…01111101101111
3121212221200020100
432130111331233
5444012423043
640013322143
76001416063
oct1634257557
9555850210
10242311023
11114861949
1269196353
133b27ca06
1424277aa3
1516415cd3
hexe715f6f

242311023 has 12 divisors (see below), whose sum is σ = 353277288. Its totient is φ = 160030320.

The previous prime is 242310983. The next prime is 242311051. The reversal of 242311023 is 320113242.

It is not a de Polignac number, because 242311023 - 29 = 242310511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242310987 and 242311005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242310023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124848 + ... + 126773.

It is an arithmetic number, because the mean of its divisors is an integer number (29439774).

Almost surely, 2242311023 is an apocalyptic number.

242311023 is a deficient number, since it is larger than the sum of its proper divisors (110966265).

242311023 is a wasteful number, since it uses less digits than its factorization.

242311023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251734 (or 251731 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 242311023 is about 15566.3426340294. The cubic root of 242311023 is about 623.4348232534.

Adding to 242311023 its reverse (320113242), we get a palindrome (562424265).

The spelling of 242311023 in words is "two hundred forty-two million, three hundred eleven thousand, twenty-three".

Divisors: 1 3 9 107 321 963 251621 754863 2264589 26923447 80770341 242311023