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242308423 = 734615489
BaseRepresentation
bin11100111000101…
…01010101000111
3121212221112200001
432130111111013
5444012332143
640013302131
76001405360
oct1634252507
9555845601
10242308423
1111485a9a5
1269194947
133b27b786
1424276b67
151641514d
hexe715547

242308423 has 4 divisors (see below), whose sum is σ = 276923920. Its totient is φ = 207692928.

The previous prime is 242308403. The next prime is 242308433. The reversal of 242308423 is 324803242.

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 242308423 - 213 = 242300231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242308391 and 242308400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242308403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17307738 + ... + 17307751.

It is an arithmetic number, because the mean of its divisors is an integer number (69230980).

Almost surely, 2242308423 is an apocalyptic number.

242308423 is a deficient number, since it is larger than the sum of its proper divisors (34615497).

242308423 is an equidigital number, since it uses as much as digits as its factorization.

242308423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34615496.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 242308423 is about 15566.2591202896. The cubic root of 242308423 is about 623.4325934246.

The spelling of 242308423 in words is "two hundred forty-two million, three hundred eight thousand, four hundred twenty-three".

Divisors: 1 7 34615489 242308423