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4006131 = 319671049
BaseRepresentation
bin1111010010000011110011
321112112101020
433102003303
52011144011
6221510523
746023453
oct17220363
97475336
104006131
112296958
121412443
13aa35bc
14763d63
15542006
hex3d20f3

4006131 has 16 divisors (see below), whose sum is σ = 5712000. Its totient is φ = 2490048.

The previous prime is 4006129. The next prime is 4006133. The reversal of 4006131 is 1316004.

It is an interprime number because it is at equal distance from previous prime (4006129) and next prime (4006133).

It is not a de Polignac number, because 4006131 - 21 = 4006129 is a prime.

It is a super-2 number, since 2×40061312 = 32098171178322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4006131.

It is not an unprimeable number, because it can be changed into a prime (4006133) 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, 3295 + ... + 4343.

It is an arithmetic number, because the mean of its divisors is an integer number (357000).

Almost surely, 24006131 is an apocalyptic number.

4006131 is a deficient number, since it is larger than the sum of its proper divisors (1705869).

4006131 is a wasteful number, since it uses less digits than its factorization.

4006131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 4006131 is about 2001.5321631190. The cubic root of 4006131 is about 158.8211667606.

The spelling of 4006131 in words is "four million, six thousand, one hundred thirty-one".

Divisors: 1 3 19 57 67 201 1049 1273 3147 3819 19931 59793 70283 210849 1335377 4006131