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201992553 = 32721924107
BaseRepresentation
bin11000000101000…
…10100101101001
3112002002021200200
430002202211221
5403202230203
632013222413
75001623400
oct1402424551
9462067620
10201992553
11a4023aa4
1257791a09
1332b04229
141cb80637
1512aee9a3
hexc0a2969

201992553 has 36 divisors (see below), whose sum is σ = 357280560. Its totient is φ = 109344816.

The previous prime is 201992519. The next prime is 201992563. The reversal of 201992553 is 355299102.

It is a happy number.

201992553 is a `hidden beast` number, since 2 + 0 + 19 + 92 + 553 = 666.

It is not a de Polignac number, because 201992553 - 214 = 201976169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201992563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3675 + ... + 20432.

It is an arithmetic number, because the mean of its divisors is an integer number (9924460).

Almost surely, 2201992553 is an apocalyptic number.

It is an amenable number.

201992553 is a deficient number, since it is larger than the sum of its proper divisors (155288007).

201992553 is a wasteful number, since it uses less digits than its factorization.

201992553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24146 (or 24136 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 201992553 is about 14212.4084165915. The cubic root of 201992553 is about 586.7392203585.

The spelling of 201992553 in words is "two hundred one million, nine hundred ninety-two thousand, five hundred fifty-three".

Divisors: 1 3 7 9 19 21 49 57 63 133 147 171 399 441 931 1197 2793 8379 24107 72321 168749 216963 458033 506247 1181243 1374099 1518741 3206231 3543729 4122297 9618693 10631187 22443617 28856079 67330851 201992553