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6013987 = 76712823
BaseRepresentation
bin10110111100010000100011
3102022112122021
4112330100203
53014421422
6332522311
7102055330
oct26742043
912275567
106013987
113438441
122020397
131327495
14b27987
157dbdc7
hex5bc423

6013987 has 8 divisors (see below), whose sum is σ = 6976256. Its totient is φ = 5077512.

The previous prime is 6013981. The next prime is 6013993. The reversal of 6013987 is 7893106.

It is an interprime number because it is at equal distance from previous prime (6013981) and next prime (6013993).

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 6013987 - 219 = 5489699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6013981) 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 7 ways as a sum of consecutive naturals, for example, 5943 + ... + 6880.

It is an arithmetic number, because the mean of its divisors is an integer number (872032).

Almost surely, 26013987 is an apocalyptic number.

6013987 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

6013987 is a deficient number, since it is larger than the sum of its proper divisors (962269).

6013987 is a wasteful number, since it uses less digits than its factorization.

6013987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12897.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 6013987 is about 2452.3431652197. The cubic root of 6013987 is about 181.8531500697.

The spelling of 6013987 in words is "six million, thirteen thousand, nine hundred eighty-seven".

Divisors: 1 7 67 469 12823 89761 859141 6013987