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20141479 = 593371013
BaseRepresentation
bin100110011010…
…1010110100111
31101220021220201
41030311112213
520124011404
61555411331
7333125341
oct114652647
941807821
1020141479
1110407656
1268b3b47
134232947
142964291
151b7cca4
hex13355a7

20141479 has 8 divisors (see below), whose sum is σ = 20563920. Its totient is φ = 19721856.

The previous prime is 20141467. The next prime is 20141497. The reversal of 20141479 is 97414102.

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-20141479 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 (20141449) 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, 19377 + ... + 20389.

It is an arithmetic number, because the mean of its divisors is an integer number (2570490).

Almost surely, 220141479 is an apocalyptic number.

20141479 is a deficient number, since it is larger than the sum of its proper divisors (422441).

20141479 is a wasteful number, since it uses less digits than its factorization.

20141479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 20141479 is about 4487.9259129357. The cubic root of 20141479 is about 272.0803134735.

The spelling of 20141479 in words is "twenty million, one hundred forty-one thousand, four hundred seventy-nine".

Divisors: 1 59 337 1013 19883 59767 341381 20141479