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242101345 = 5269180001
BaseRepresentation
bin11100110111000…
…10110001100001
3121212120000121111
432123202301201
5443434220340
640005023321
75666553553
oct1633426141
9555500544
10242101345
11114729362
12690b4b41
133b208445
14242214d3
15163c3aea
hexe6e2c61

242101345 has 8 divisors (see below), whose sum is σ = 291603240. Its totient is φ = 192960000.

The previous prime is 242101339. The next prime is 242101357. The reversal of 242101345 is 543101242.

242101345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 39551521 + 202549824 = 6289^2 + 14232^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 242101345 - 25 = 242101313 is a prime.

It is a super-2 number, since 2×2421013452 = 117226122501618050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88656 + ... + 91345.

It is an arithmetic number, because the mean of its divisors is an integer number (36450405).

Almost surely, 2242101345 is an apocalyptic number.

It is an amenable number.

242101345 is a deficient number, since it is larger than the sum of its proper divisors (49501895).

242101345 is a wasteful number, since it uses less digits than its factorization.

242101345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180275.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 242101345 is about 15559.6061968162. The cubic root of 242101345 is about 623.2549465965.

Adding to 242101345 its reverse (543101242), we get a palindrome (785202587).

The spelling of 242101345 in words is "two hundred forty-two million, one hundred one thousand, three hundred forty-five".

Divisors: 1 5 269 1345 180001 900005 48420269 242101345