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2050149 = 31761659
BaseRepresentation
bin111110100100001100101
310212011021110
413310201211
51011101044
6111535233
723266053
oct7644145
93764243
102050149
111180342
1282a519
1356a20a
143b51d3
152a76b9
hex1f4865

2050149 has 16 divisors (see below), whose sum is σ = 2946240. Its totient is φ = 1263360.

The previous prime is 2050141. The next prime is 2050163. The reversal of 2050149 is 9410502.

2050149 = 312 + 322 + ... + 1832.

It is not a de Polignac number, because 2050149 - 23 = 2050141 is a prime.

It is a super-2 number, since 2×20501492 = 8406221844402, which contains 22 as substring.

2050149 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2050141) 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 15 ways as a sum of consecutive naturals, for example, 2782 + ... + 3440.

It is an arithmetic number, because the mean of its divisors is an integer number (184140).

22050149 is an apocalyptic number.

It is an amenable number.

2050149 is a deficient number, since it is larger than the sum of its proper divisors (896091).

2050149 is a wasteful number, since it uses less digits than its factorization.

2050149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2050149 is about 1431.8341384392. The cubic root of 2050149 is about 127.0364869227.

The spelling of 2050149 in words is "two million, fifty thousand, one hundred forty-nine".

Divisors: 1 3 17 51 61 183 659 1037 1977 3111 11203 33609 40199 120597 683383 2050149