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BaseRepresentation
bin11100111101101…
…10111111111111
3121221012012000222
432132312333333
5444200024443
640035411555
76010134110
oct1636667777
9557165028
10242970623
11115172475
1269453bbb
133b450ccc
14243aa207
15164e6468
hexe7b6fff

242970623 has 8 divisors (see below), whose sum is σ = 280801440. Its totient is φ = 205920000.

The previous prime is 242970619. The next prime is 242970649. The reversal of 242970623 is 326079242.

It is a happy number.

It is a Cunningham number, because it is equal to 6243-1.

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 242970623 - 22 = 242970619 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 (242970523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194378 + ... + 195623.

It is an arithmetic number, because the mean of its divisors is an integer number (35100180).

Almost surely, 2242970623 is an apocalyptic number.

242970623 is a deficient number, since it is larger than the sum of its proper divisors (37830817).

242970623 is an equidigital number, since it uses as much as digits as its factorization.

242970623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390097.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 242970623 is about 15587.5149719254. The cubic root of 242970623 is about 623.9999991439. Note that the first 6 decimals are identical.

The spelling of 242970623 in words is "two hundred forty-two million, nine hundred seventy thousand, six hundred twenty-three".