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212476253 = 1119316023
BaseRepresentation
bin11001010101000…
…10000101011101
3112210210220121212
430222202011131
5413343220003
633030034205
75160006203
oct1452420535
9483726555
10212476253
11a9a34610
125b1a8965
1335034cc2
142030d073
15139c0dd8
hexcaa215d

212476253 has 4 divisors (see below), whose sum is σ = 231792288. Its totient is φ = 193160220.

The previous prime is 212476241. The next prime is 212476261. The reversal of 212476253 is 352674212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 212476253 - 26 = 212476189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212470253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9658001 + ... + 9658022.

It is an arithmetic number, because the mean of its divisors is an integer number (57948072).

Almost surely, 2212476253 is an apocalyptic number.

It is an amenable number.

212476253 is a deficient number, since it is larger than the sum of its proper divisors (19316035).

212476253 is a wasteful number, since it uses less digits than its factorization.

212476253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19316034.

The product of its digits is 20160, while the sum is 32.

The square root of 212476253 is about 14576.5651989761. The cubic root of 212476253 is about 596.7193663941.

The spelling of 212476253 in words is "two hundred twelve million, four hundred seventy-six thousand, two hundred fifty-three".

Divisors: 1 11 19316023 212476253