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20256014 = 219533053
BaseRepresentation
bin100110101000…
…1010100001110
31102010010000202
41031101110032
520141143024
62002053502
7334113302
oct115212416
942103022
1020256014
1110485709
12694a292
134272b0c
142993d02
151ba1bae
hex135150e

20256014 has 8 divisors (see below), whose sum is σ = 31983240. Its totient is φ = 9594936.

The previous prime is 20255999. The next prime is 20256029. The reversal of 20256014 is 41065202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20255999) and next prime (20256029).

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

It is a super-2 number, since 2×202560142 = 820612206336392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266489 + ... + 266564.

It is an arithmetic number, because the mean of its divisors is an integer number (3997905).

Almost surely, 220256014 is an apocalyptic number.

20256014 is a deficient number, since it is larger than the sum of its proper divisors (11727226).

20256014 is a wasteful number, since it uses less digits than its factorization.

20256014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533074.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 20256014 is about 4500.6681726162. The cubic root of 20256014 is about 272.5950693732.

The spelling of 20256014 in words is "twenty million, two hundred fifty-six thousand, fourteen".

Divisors: 1 2 19 38 533053 1066106 10128007 20256014