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212414853 = 3721444999
BaseRepresentation
bin11001010100100…
…11000110000101
3112210200210101210
430222103012011
5413334233403
633024442033
75156332200
oct1452230605
9483623353
10212414853
11a99a2472
125b179319
1335013081
14202d4937
15139acb03
hexca93185

212414853 has 12 divisors (see below), whose sum is σ = 329460000. Its totient is φ = 121379832.

The previous prime is 212414849. The next prime is 212414861. The reversal of 212414853 is 358414212.

212414853 is nontrivially palindromic in base 6.

It is not a de Polignac number, because 212414853 - 22 = 212414849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212414853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212414803) 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, 722353 + ... + 722646.

It is an arithmetic number, because the mean of its divisors is an integer number (27455000).

Almost surely, 2212414853 is an apocalyptic number.

It is an amenable number.

212414853 is a deficient number, since it is larger than the sum of its proper divisors (117045147).

212414853 is a wasteful number, since it uses less digits than its factorization.

212414853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445016 (or 1445009 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 212414853 is about 14574.4589264919. The cubic root of 212414853 is about 596.6618821681.

The spelling of 212414853 in words is "two hundred twelve million, four hundred fourteen thousand, eight hundred fifty-three".

Divisors: 1 3 7 21 49 147 1444999 4334997 10114993 30344979 70804951 212414853