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213150356 = 2253287589
BaseRepresentation
bin11001011010001…
…10101010010100
3112212002011022122
430231012222110
5414031302411
633052315112
75165514416
oct1455065224
9485064278
10213150356
11aa355021
125b472a98
133520ca93
14204469b6
1513aa59db
hexcb46a94

213150356 has 6 divisors (see below), whose sum is σ = 373013130. Its totient is φ = 106575176.

The previous prime is 213150337. The next prime is 213150439. The reversal of 213150356 is 653051312.

It can be written as a sum of positive squares in only one way, i.e., 114147856 + 99002500 = 10684^2 + 9950^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 26643791 + ... + 26643798.

It is an arithmetic number, because the mean of its divisors is an integer number (62168855).

Almost surely, 2213150356 is an apocalyptic number.

It is an amenable number.

213150356 is a deficient number, since it is larger than the sum of its proper divisors (159862774).

213150356 is a wasteful number, since it uses less digits than its factorization.

213150356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53287593 (or 53287591 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 213150356 is about 14599.6697222917. The cubic root of 213150356 is about 597.3497516159.

The spelling of 213150356 in words is "two hundred thirteen million, one hundred fifty thousand, three hundred fifty-six".

Divisors: 1 2 4 53287589 106575178 213150356