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4006149 = 37190769
BaseRepresentation
bin1111010010000100000101
321112112101220
433102010011
52011144044
6221510553
746023510
oct17220405
97475356
104006149
112296974
121412459
13aa3604
14763d77
15542019
hex3d2105

4006149 has 8 divisors (see below), whose sum is σ = 6104640. Its totient is φ = 2289216.

The previous prime is 4006141. The next prime is 4006153. The reversal of 4006149 is 9416004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4006149 - 23 = 4006141 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4006141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95364 + ... + 95405.

It is an arithmetic number, because the mean of its divisors is an integer number (763080).

Almost surely, 24006149 is an apocalyptic number.

It is an amenable number.

4006149 is a deficient number, since it is larger than the sum of its proper divisors (2098491).

4006149 is a wasteful number, since it uses less digits than its factorization.

4006149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190779.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 4006149 is about 2001.5366596693. The cubic root of 4006149 is about 158.8214046274.

The spelling of 4006149 in words is "four million, six thousand, one hundred forty-nine".

Divisors: 1 3 7 21 190769 572307 1335383 4006149