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20241305 = 571734019
BaseRepresentation
bin100110100110…
…1101110011001
31102002100211222
41031031232121
520140210210
62001501425
7334022360
oct115155631
942070758
1020241305
1110475657
126941875
134269206
14298c7d7
151b9c655
hex134db99

20241305 has 16 divisors (see below), whose sum is σ = 29393280. Its totient is φ = 13062912.

The previous prime is 20241239. The next prime is 20241313. The reversal of 20241305 is 50314202.

It is a cyclic number.

It is not a de Polignac number, because 20241305 - 210 = 20240281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16415 + ... + 17604.

It is an arithmetic number, because the mean of its divisors is an integer number (1837080).

Almost surely, 220241305 is an apocalyptic number.

It is an amenable number.

20241305 is a deficient number, since it is larger than the sum of its proper divisors (9151975).

20241305 is a wasteful number, since it uses less digits than its factorization.

20241305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34048.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 20241305 is about 4499.0337851588. The cubic root of 20241305 is about 272.5290713310.

Adding to 20241305 its reverse (50314202), we get a palindrome (70555507).

The spelling of 20241305 in words is "twenty million, two hundred forty-one thousand, three hundred five".

Divisors: 1 5 7 17 35 85 119 595 34019 170095 238133 578323 1190665 2891615 4048261 20241305