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4013431 = 23211827
BaseRepresentation
bin1111010011110101110111
321112220101121
433103311313
52011412211
6222004411
746053652
oct17236567
97486347
104013431
1122a1394
121416707
13aa6a16
14766899
15544271
hex3d3d77

4013431 has 8 divisors (see below), whose sum is σ = 4212864. Its totient is φ = 3816120.

The previous prime is 4013423. The next prime is 4013441. The reversal of 4013431 is 1343104.

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

It is a cyclic number.

It is not a de Polignac number, because 4013431 - 23 = 4013423 is a prime.

It is a super-2 number, since 2×40134312 = 32215256783522, which contains 22 as substring.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4013441) 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, 4440 + ... + 5266.

It is an arithmetic number, because the mean of its divisors is an integer number (526608).

Almost surely, 24013431 is an apocalyptic number.

4013431 is a deficient number, since it is larger than the sum of its proper divisors (199433).

4013431 is a wasteful number, since it uses less digits than its factorization.

4013431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 4013431 is about 2003.3549361009. The cubic root of 4013431 is about 158.9175765727.

Adding to 4013431 its reverse (1343104), we get a palindrome (5356535).

It can be divided in two parts, 4013 and 431, that added together give a palindrome (4444).

The spelling of 4013431 in words is "four million, thirteen thousand, four hundred thirty-one".

Divisors: 1 23 211 827 4853 19021 174497 4013431