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20741307 = 324372837
BaseRepresentation
bin100111100011…
…1110010111011
31110000202201120
41033013302323
520302210212
62020320323
7341204166
oct117076273
943022646
1020741307
1110787284
126b430a3
1343b2982
142a7cadd
151c4a88c
hex13c7cbb

20741307 has 8 divisors (see below), whose sum is σ = 27676176. Its totient is φ = 13816992.

The previous prime is 20741297. The next prime is 20741311. The reversal of 20741307 is 70314702.

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

It is not a de Polignac number, because 20741307 - 24 = 20741291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20741107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5893 + ... + 8729.

It is an arithmetic number, because the mean of its divisors is an integer number (3459522).

Almost surely, 220741307 is an apocalyptic number.

20741307 is a deficient number, since it is larger than the sum of its proper divisors (6934869).

20741307 is a wasteful number, since it uses less digits than its factorization.

20741307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5277.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 20741307 is about 4554.2625089031. The cubic root of 20741307 is about 274.7548537078.

It can be divided in two parts, 207 and 41307, that added together give a palindrome (41514).

The spelling of 20741307 in words is "twenty million, seven hundred forty-one thousand, three hundred seven".

Divisors: 1 3 2437 2837 7311 8511 6913769 20741307