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14145020 = 2251741603
BaseRepresentation
bin110101111101…
…010111111100
3222121122022122
4311331113330
512110120040
61223102112
7231142061
oct65752774
928548278
1014145020
117a913aa
1248a1938
132c13446
141c42c68
1513961b5
hexd7d5fc

14145020 has 24 divisors (see below), whose sum is σ = 31452624. Its totient is φ = 5325056.

The previous prime is 14144993. The next prime is 14145049. The reversal of 14145020 is 2054141.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 14145020.

It is a congruent number.

It is an unprimeable number.

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, 20462 + ... + 21141.

It is an arithmetic number, because the mean of its divisors is an integer number (1310526).

Almost surely, 214145020 is an apocalyptic number.

14145020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14145020 is an abundant number, since it is smaller than the sum of its proper divisors (17307604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14145020 is a wasteful number, since it uses less digits than its factorization.

14145020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41629 (or 41627 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 14145020 is about 3760.9865726961. The cubic root of 14145020 is about 241.8435571081.

Adding to 14145020 its reverse (2054141), we get a palindrome (16199161).

The spelling of 14145020 in words is "fourteen million, one hundred forty-five thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 41603 83206 166412 208015 416030 707251 832060 1414502 2829004 3536255 7072510 14145020