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20214069 = 38381181
BaseRepresentation
bin100110100011…
…1000100110101
31102000222111020
41031013010311
520133322234
62001131353
7333550101
oct115070465
942028436
1020214069
1110457147
126929b59
1342599b5
142982901
151b94549
hex1347135

20214069 has 8 divisors (see below), whose sum is σ = 27277152. Its totient is φ = 13313520.

The previous prime is 20214053. The next prime is 20214091. The reversal of 20214069 is 96041202.

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

It is not a de Polignac number, because 20214069 - 24 = 20214053 is a prime.

It is a super-2 number, since 2×202140692 = 817217171073522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20214269) 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, 40342 + ... + 40839.

It is an arithmetic number, because the mean of its divisors is an integer number (3409644).

Almost surely, 220214069 is an apocalyptic number.

It is an amenable number.

20214069 is a deficient number, since it is larger than the sum of its proper divisors (7063083).

20214069 is an equidigital number, since it uses as much as digits as its factorization.

20214069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81267.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 20214069 is about 4496.0058941243. The cubic root of 20214069 is about 272.4067812337.

The spelling of 20214069 in words is "twenty million, two hundred fourteen thousand, sixty-nine".

Divisors: 1 3 83 249 81181 243543 6738023 20214069