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213660483 = 371220161
BaseRepresentation
bin11001011110000…
…11001101000011
3112220001002002020
430233003031003
5414144113413
633111252523
75203040601
oct1457031503
9486032066
10213660483
11aa673313
125b67a143
133535b02a
142053a871
1513b56c23
hexcbc3343

213660483 has 4 divisors (see below), whose sum is σ = 284880648. Its totient is φ = 142440320.

The previous prime is 213660481. The next prime is 213660511. The reversal of 213660483 is 384066312.

213660483 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213660483 - 21 = 213660481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213660481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35610078 + ... + 35610083.

It is an arithmetic number, because the mean of its divisors is an integer number (71220162).

Almost surely, 2213660483 is an apocalyptic number.

213660483 is a deficient number, since it is larger than the sum of its proper divisors (71220165).

213660483 is an equidigital number, since it uses as much as digits as its factorization.

213660483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71220164.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 213660483 is about 14617.1297798166. The cubic root of 213660483 is about 597.8259123084.

The spelling of 213660483 in words is "two hundred thirteen million, six hundred sixty thousand, four hundred eighty-three".

Divisors: 1 3 71220161 213660483