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149214205 = 5712733569
BaseRepresentation
bin10001110010011…
…01001111111101
3101101202212102001
420321031033331
5301144323310
622450102301
73461204560
oct1071151775
9341685361
10149214205
1177255928
1241b7a991
1324bb533a
1415b624d7
15d17693a
hex8e4d3fd

149214205 has 16 divisors (see below), whose sum is σ = 206254080. Its totient is φ = 101509632.

The previous prime is 149214203. The next prime is 149214223. The reversal of 149214205 is 502412941.

It is not a de Polignac number, because 149214205 - 21 = 149214203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149214203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12340 + ... + 21229.

It is an arithmetic number, because the mean of its divisors is an integer number (12890880).

Almost surely, 2149214205 is an apocalyptic number.

It is an amenable number.

149214205 is a deficient number, since it is larger than the sum of its proper divisors (57039875).

149214205 is a wasteful number, since it uses less digits than its factorization.

149214205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33708.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 149214205 is about 12215.3266431971. The cubic root of 149214205 is about 530.3998466016.

The spelling of 149214205 in words is "one hundred forty-nine million, two hundred fourteen thousand, two hundred five".

Divisors: 1 5 7 35 127 635 889 4445 33569 167845 234983 1174915 4263263 21316315 29842841 149214205