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20212325 = 527115499
BaseRepresentation
bin100110100011…
…0101001100101
31102000220002122
41031012221211
520133243300
62001115325
7333542030
oct115065145
942026078
1020212325
1110455901
126928b45
134258c73
142982017
151b93c85
hex1346a65

20212325 has 12 divisors (see below), whose sum is σ = 28644000. Its totient is φ = 13859760.

The previous prime is 20212319. The next prime is 20212327. The reversal of 20212325 is 52321202.

It is not a de Polignac number, because 20212325 - 26 = 20212261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57575 + ... + 57924.

It is an arithmetic number, because the mean of its divisors is an integer number (2387000).

Almost surely, 220212325 is an apocalyptic number.

20212325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20212325 is a deficient number, since it is larger than the sum of its proper divisors (8431675).

20212325 is a wasteful number, since it uses less digits than its factorization.

20212325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115516 (or 115511 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 20212325 is about 4495.8119400171. The cubic root of 20212325 is about 272.3989469032.

Adding to 20212325 its reverse (52321202), we get a palindrome (72533527).

The spelling of 20212325 in words is "twenty million, two hundred twelve thousand, three hundred twenty-five".

Divisors: 1 5 7 25 35 175 115499 577495 808493 2887475 4042465 20212325