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20144113 = 112379621
BaseRepresentation
bin100110011010…
…1111111110001
31101220102112021
41030311333301
520124102423
61555431441
7333136123
oct114657761
941812467
1020144113
1110409630
1268b5581
134233bc2
142965213
151b7d95d
hex1335ff1

20144113 has 8 divisors (see below), whose sum is σ = 22931136. Its totient is φ = 17516400.

The previous prime is 20144107. The next prime is 20144119. The reversal of 20144113 is 31144102.

It is an interprime number because it is at equal distance from previous prime (20144107) and next prime (20144119).

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

It is a de Polignac number, because none of the positive numbers 2k-20144113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20144119) 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, 39558 + ... + 40063.

It is an arithmetic number, because the mean of its divisors is an integer number (2866392).

Almost surely, 220144113 is an apocalyptic number.

20144113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20144113 is a deficient number, since it is larger than the sum of its proper divisors (2787023).

20144113 is a wasteful number, since it uses less digits than its factorization.

20144113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79655.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 20144113 is about 4488.2193573844. The cubic root of 20144113 is about 272.0921733822.

Adding to 20144113 its reverse (31144102), we get a palindrome (51288215).

The spelling of 20144113 in words is "twenty million, one hundred forty-four thousand, one hundred thirteen".

Divisors: 1 11 23 253 79621 875831 1831283 20144113