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20091341 = 192693931
BaseRepresentation
bin100110010100…
…1000111001101
31101210202010202
41030221013031
520120410331
61554343245
7332526224
oct114510715
941722122
1020091341
1110382a16
12688ab25
134215b8a
14294dcbb
151b6cecb
hex13291cd

20091341 has 8 divisors (see below), whose sum is σ = 21232800. Its totient is φ = 18958320.

The previous prime is 20091311. The next prime is 20091347. The reversal of 20091341 is 14319002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20091341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20091347) 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, 3146 + ... + 7076.

It is an arithmetic number, because the mean of its divisors is an integer number (2654100).

Almost surely, 220091341 is an apocalyptic number.

It is an amenable number.

20091341 is a deficient number, since it is larger than the sum of its proper divisors (1141459).

20091341 is a wasteful number, since it uses less digits than its factorization.

20091341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4219.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 20091341 is about 4482.3365558601. The cubic root of 20091341 is about 271.8543635369.

The spelling of 20091341 in words is "twenty million, ninety-one thousand, three hundred forty-one".

Divisors: 1 19 269 3931 5111 74689 1057439 20091341