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253196207 = 11223233443
BaseRepresentation
bin11110001011101…
…11011110101111
3122122102200220022
433011313132233
51004304234312
641042512355
76163063235
oct1705673657
9578380808
10253196207
1111aa17070
12709656bb
13405c1454
14258ac955
1517366172
hexf1777af

253196207 has 16 divisors (see below), whose sum is σ = 279272448. Its totient is φ = 227647680.

The previous prime is 253196171. The next prime is 253196219. The reversal of 253196207 is 702691352.

It is a cyclic number.

It is not a de Polignac number, because 253196207 - 212 = 253192111 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 (253196227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 571328 + ... + 571770.

It is an arithmetic number, because the mean of its divisors is an integer number (17454528).

Almost surely, 2253196207 is an apocalyptic number.

253196207 is a deficient number, since it is larger than the sum of its proper divisors (26076241).

253196207 is a wasteful number, since it uses less digits than its factorization.

253196207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 253196207 is about 15912.1402394524. The cubic root of 253196207 is about 632.6338102642.

The spelling of 253196207 in words is "two hundred fifty-three million, one hundred ninety-six thousand, two hundred seven".

Divisors: 1 11 223 233 443 2453 2563 4873 51959 98789 103219 571549 1086679 1135409 23017837 253196207