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210950053 = 474488299
BaseRepresentation
bin11001001001011…
…01011110100101
3112200221101001221
430210231132211
5413000400203
632533220341
75141021506
oct1444553645
9480841057
10210950053
11a9091996
125a7916b1
133491c422
1420032bad
15137bdabd
hexc92d7a5

210950053 has 4 divisors (see below), whose sum is σ = 215438400. Its totient is φ = 206461708.

The previous prime is 210950041. The next prime is 210950057. The reversal of 210950053 is 350059012.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-210950053 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 (210950057) 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, 2244103 + ... + 2244196.

It is an arithmetic number, because the mean of its divisors is an integer number (53859600).

Almost surely, 2210950053 is an apocalyptic number.

It is an amenable number.

210950053 is a deficient number, since it is larger than the sum of its proper divisors (4488347).

210950053 is an equidigital number, since it uses as much as digits as its factorization.

210950053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4488346.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 210950053 is about 14524.1196979369. The cubic root of 210950053 is about 595.2872026363.

The spelling of 210950053 in words is "two hundred ten million, nine hundred fifty thousand, fifty-three".

Divisors: 1 47 4488299 210950053