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213550275 = 3522847337
BaseRepresentation
bin11001011101010…
…00010011000011
3112212211110220110
430232220103003
5414132102100
633105042403
75202101361
oct1456502303
9485743813
10213550275
11aa5a8534
125b626403
133531cb13
142050c631
1513b34250
hexcba84c3

213550275 has 12 divisors (see below), whose sum is σ = 353069912. Its totient is φ = 113893440.

The previous prime is 213550247. The next prime is 213550297. The reversal of 213550275 is 572055312.

It is not a de Polignac number, because 213550275 - 28 = 213550019 is a prime.

It is a Duffinian 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 in 11 ways as a sum of consecutive naturals, for example, 1423594 + ... + 1423743.

Almost surely, 2213550275 is an apocalyptic number.

213550275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

213550275 is a deficient number, since it is larger than the sum of its proper divisors (139519637).

213550275 is a wasteful number, since it uses less digits than its factorization.

213550275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2847350 (or 2847345 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 213550275 is about 14613.3594700192. The cubic root of 213550275 is about 597.7231066351.

The spelling of 213550275 in words is "two hundred thirteen million, five hundred fifty thousand, two hundred seventy-five".

Divisors: 1 3 5 15 25 75 2847337 8542011 14236685 42710055 71183425 213550275