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20014625 = 53160117
BaseRepresentation
bin100110001011…
…0011000100001
31101122211220102
41030112120201
520110432000
61552552145
7332056451
oct114263041
941584812
1020014625
1110330314
126852655
1341b9c97
14292dd61
151b553d5
hex1316621

20014625 has 8 divisors (see below), whose sum is σ = 24978408. Its totient is φ = 16011600.

The previous prime is 20014591. The next prime is 20014637. The reversal of 20014625 is 52641002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2307361 + 17707264 = 1519^2 + 4208^2 .

It is not a de Polignac number, because 20014625 - 28 = 20014369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20014597 and 20014606.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79934 + ... + 80183.

It is an arithmetic number, because the mean of its divisors is an integer number (3122301).

Almost surely, 220014625 is an apocalyptic number.

20014625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20014625 is a deficient number, since it is larger than the sum of its proper divisors (4963783).

20014625 is an equidigital number, since it uses as much as digits as its factorization.

20014625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160132 (or 160122 counting only the distinct ones).

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

The square root of 20014625 is about 4473.7707808961. The cubic root of 20014625 is about 271.5079094680.

Adding to 20014625 its reverse (52641002), we get a palindrome (72655627).

The spelling of 20014625 in words is "twenty million, fourteen thousand, six hundred twenty-five".

Divisors: 1 5 25 125 160117 800585 4002925 20014625