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5112991 = 13541727
BaseRepresentation
bin10011100000010010011111
3100121202201001
4103200102133
52302103431
6301331131
761313452
oct23402237
910552631
105112991
112982514
121866aa7
1310a0350
14971499
156aee61
hex4e049f

5112991 has 8 divisors (see below), whose sum is σ = 5524064. Its totient is φ = 4704480.

The previous prime is 5112979. The next prime is 5112997. The reversal of 5112991 is 1992115.

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 5112991 - 29 = 5112479 is a prime.

It is a super-2 number, since 2×51129912 = 52285353932162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5112997) 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, 6670 + ... + 7396.

It is an arithmetic number, because the mean of its divisors is an integer number (690508).

Almost surely, 25112991 is an apocalyptic number.

5112991 is the 1306-th hex number.

5112991 is a deficient number, since it is larger than the sum of its proper divisors (411073).

5112991 is a wasteful number, since it uses less digits than its factorization.

5112991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281.

The product of its digits is 810, while the sum is 28.

The square root of 5112991 is about 2261.1923845617. The cubic root of 5112991 is about 172.2760911997.

The spelling of 5112991 in words is "five million, one hundred twelve thousand, nine hundred ninety-one".

Divisors: 1 13 541 727 7033 9451 393307 5112991