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201149193 = 3710789519
BaseRepresentation
bin10111111110101…
…00101100001001
3112000111102211010
423333110230021
5402443233233
631543154133
74661511540
oct1377245411
9460442733
10201149193
11a35a8403
1257445949
133289a3bb
141ca01157
15129d4b63
hexbfd4b09

201149193 has 16 divisors (see below), whose sum is σ = 309381120. Its totient is φ = 113866896.

The previous prime is 201149189. The next prime is 201149213. The reversal of 201149193 is 391941102.

It is not a de Polignac number, because 201149193 - 22 = 201149189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201149193.

It is not an unprimeable number, because it can be changed into a prime (201149183) 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, 42513 + ... + 47006.

It is an arithmetic number, because the mean of its divisors is an integer number (19336320).

Almost surely, 2201149193 is an apocalyptic number.

It is an amenable number.

201149193 is a deficient number, since it is larger than the sum of its proper divisors (108231927).

201149193 is a wasteful number, since it uses less digits than its factorization.

201149193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89636.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 201149193 is about 14182.7075341770. The cubic root of 201149193 is about 585.9214960436.

The spelling of 201149193 in words is "two hundred one million, one hundred forty-nine thousand, one hundred ninety-three".

Divisors: 1 3 7 21 107 321 749 2247 89519 268557 626633 1879899 9578533 28735599 67049731 201149193