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20144059 = 134732969
BaseRepresentation
bin100110011010…
…1111110111011
31101220102110021
41030311332323
520124102214
61555431311
7333136015
oct114657673
941812407
1020144059
1110409591
1268b5537
134233b80
1429651b5
151b7d924
hex1335fbb

20144059 has 8 divisors (see below), whose sum is σ = 22155840. Its totient is φ = 18198336.

The previous prime is 20144053. The next prime is 20144071. The reversal of 20144059 is 95044102.

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

It is not a de Polignac number, because 20144059 - 23 = 20144051 is a prime.

It is a super-2 number, since 2×201440592 = 811566225990962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20144051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15874 + ... + 17095.

It is an arithmetic number, because the mean of its divisors is an integer number (2769480).

Almost surely, 220144059 is an apocalyptic number.

20144059 is a deficient number, since it is larger than the sum of its proper divisors (2011781).

20144059 is a wasteful number, since it uses less digits than its factorization.

20144059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33029.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 20144059 is about 4488.2133416316. The cubic root of 20144059 is about 272.0919302510.

The spelling of 20144059 in words is "twenty million, one hundred forty-four thousand, fifty-nine".

Divisors: 1 13 47 611 32969 428597 1549543 20144059