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16301225 = 521394691
BaseRepresentation
bin111110001011…
…110010101001
31010200012002002
4332023302221
513133114400
61341220345
7255362303
oct76136251
933605062
1016301225
119224396
1255616b5
1334b99c5
142244973
15166eed5
hexf8bca9

16301225 has 12 divisors (see below), whose sum is σ = 20363280. Its totient is φ = 12944400.

The previous prime is 16301209. The next prime is 16301239. The reversal of 16301225 is 52210361.

It is not a de Polignac number, because 16301225 - 24 = 16301209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16301197 and 16301206.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1130 + ... + 5820.

It is an arithmetic number, because the mean of its divisors is an integer number (1696940).

Almost surely, 216301225 is an apocalyptic number.

It is an amenable number.

16301225 is a deficient number, since it is larger than the sum of its proper divisors (4062055).

16301225 is a wasteful number, since it uses less digits than its factorization.

16301225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4840 (or 4835 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 16301225 is about 4037.4775541172. The cubic root of 16301225 is about 253.5557209643. Note that the first 3 decimals are identical.

Adding to 16301225 its reverse (52210361), we get a palindrome (68511586).

The spelling of 16301225 in words is "sixteen million, three hundred one thousand, two hundred twenty-five".

Divisors: 1 5 25 139 695 3475 4691 23455 117275 652049 3260245 16301225