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242610001 = 1399717333
BaseRepresentation
bin11100111010111…
…10111101010001
3121220111212100121
432131132331101
5444102010001
640023550241
76004102534
oct1635367521
9556455317
10242610001
11114a46537
12692bb381
133b355b1a
1424314a1b
15164746a1
hexe75ef51

242610001 has 4 divisors (see below), whose sum is σ = 242641332. Its totient is φ = 242578672.

The previous prime is 242609989. The next prime is 242610019. The reversal of 242610001 is 100016242.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 55577025 + 187032976 = 7455^2 + 13676^2 .

It is a cyclic number.

It is not a de Polignac number, because 242610001 - 29 = 242609489 is a prime.

It is a super-2 number, since 2×2426100012 = 117719225170440002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242680001) 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, 5331 + ... + 22663.

It is an arithmetic number, because the mean of its divisors is an integer number (60660333).

Almost surely, 2242610001 is an apocalyptic number.

It is an amenable number.

242610001 is a deficient number, since it is larger than the sum of its proper divisors (31331).

242610001 is a wasteful number, since it uses less digits than its factorization.

242610001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31330.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 242610001 is about 15575.9430212106. The cubic root of 242610001 is about 623.6911284016.

Adding to 242610001 its reverse (100016242), we get a palindrome (342626243).

The spelling of 242610001 in words is "two hundred forty-two million, six hundred ten thousand, one".

Divisors: 1 13997 17333 242610001