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242305445 = 5476531579
BaseRepresentation
bin11100111000101…
…00100110100101
3121212221101120202
432130110212211
5444012233240
640013240245
76001363604
oct1634244645
9555841522
10242305445
11114858738
1269193085
133b27a305
1424275a3b
1516414315
hexe7149a5

242305445 has 16 divisors (see below), whose sum is σ = 297596160. Its totient is φ = 189309504.

The previous prime is 242305429. The next prime is 242305447. The reversal of 242305445 is 544503242.

242305445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 242305445 - 24 = 242305429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242305447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152666 + ... + 154244.

It is an arithmetic number, because the mean of its divisors is an integer number (18599760).

Almost surely, 2242305445 is an apocalyptic number.

It is an amenable number.

242305445 is a deficient number, since it is larger than the sum of its proper divisors (55290715).

242305445 is a wasteful number, since it uses less digits than its factorization.

242305445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2284.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 242305445 is about 15566.1634643865. The cubic root of 242305445 is about 623.4300393933.

Adding to 242305445 its reverse (544503242), we get a palindrome (786808687).

The spelling of 242305445 in words is "two hundred forty-two million, three hundred five thousand, four hundred forty-five".

Divisors: 1 5 47 235 653 1579 3265 7895 30691 74213 153455 371065 1031087 5155435 48461089 242305445