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210445053 = 37213243197
BaseRepresentation
bin11001000101100…
…10001011111101
3112122222201100020
430202302023331
5412333220203
632514322353
75133516300
oct1442621375
9478881306
10210445053
11a8877535
125a5893b9
13347a3600
141dd40b37
151371e153
hexc8b22fd

210445053 has 72 divisors (see below), whose sum is σ = 363499488. Its totient is φ = 107872128.

The previous prime is 210445043. The next prime is 210445061. The reversal of 210445053 is 350544012.

It is not a de Polignac number, because 210445053 - 25 = 210445021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210445003) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1068151 + ... + 1068347.

It is an arithmetic number, because the mean of its divisors is an integer number (5048604).

Almost surely, 2210445053 is an apocalyptic number.

It is an amenable number.

210445053 is a deficient number, since it is larger than the sum of its proper divisors (153054435).

210445053 is a wasteful number, since it uses less digits than its factorization.

210445053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 210445053 is about 14506.7244062883. The cubic root of 210445053 is about 594.8117974546.

Adding to 210445053 its reverse (350544012), we get a palindrome (560989065).

The spelling of 210445053 in words is "two hundred ten million, four hundred forty-five thousand, fifty-three".

Divisors: 1 3 7 13 21 39 43 49 91 129 147 169 197 273 301 507 559 591 637 903 1183 1379 1677 1911 2107 2561 3549 3913 4137 6321 7267 7683 8281 8471 9653 11739 17927 21801 24843 25413 27391 28959 33293 50869 53781 59297 82173 99879 110123 125489 152607 177891 233051 330369 356083 376467 415079 699153 770861 1068249 1245237 1431599 1631357 2312583 4294797 4894071 5396027 10021193 16188081 30063579 70148351 210445053