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242344813 = 2370115031
BaseRepresentation
bin11100111000111…
…10001101101101
3121220000101120211
432130132031231
5444020013223
640014142421
76001616434
oct1634361555
9556011524
10242344813
11114885277
12691b1a11
133b2921c9
142428611b
1516420d0d
hexe71e36d

242344813 has 8 divisors (see below), whose sum is σ = 253259136. Its totient is φ = 231462000.

The previous prime is 242344799. The next prime is 242344847. The reversal of 242344813 is 318443242.

It is a happy number.

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 242344813 - 29 = 242344301 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 (242344873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8608 + ... + 23638.

It is an arithmetic number, because the mean of its divisors is an integer number (31657392).

Almost surely, 2242344813 is an apocalyptic number.

242344813 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

242344813 is a deficient number, since it is larger than the sum of its proper divisors (10914323).

242344813 is a wasteful number, since it uses less digits than its factorization.

242344813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15755.

The product of its digits is 18432, while the sum is 31.

The square root of 242344813 is about 15567.4279506924. The cubic root of 242344813 is about 623.4638010018.

The spelling of 242344813 in words is "two hundred forty-two million, three hundred forty-four thousand, eight hundred thirteen".

Divisors: 1 23 701 15031 16123 345713 10536731 242344813