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40847513 = 713941981
BaseRepresentation
bin1001101111010…
…0100010011001
32211212021020212
42123310202121
540424110023
64015300505
71004124650
oct233644231
984767225
1040847513
112106a383
121181a735
138602535
1455d4197
1538bce78
hex26f4899

40847513 has 8 divisors (see below), whose sum is σ = 47019840. Its totient is φ = 34759440.

The previous prime is 40847501. The next prime is 40847533. The reversal of 40847513 is 31574804.

40847513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40847513 - 26 = 40847449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40847513.

It is not an unprimeable number, because it can be changed into a prime (40847533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20018 + ... + 21963.

It is an arithmetic number, because the mean of its divisors is an integer number (5877480).

Almost surely, 240847513 is an apocalyptic number.

It is an amenable number.

40847513 is a deficient number, since it is larger than the sum of its proper divisors (6172327).

40847513 is a wasteful number, since it uses less digits than its factorization.

40847513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42127.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 40847513 is about 6391.2059112502. The cubic root of 40847513 is about 344.3937065474.

The spelling of 40847513 in words is "forty million, eight hundred forty-seven thousand, five hundred thirteen".

Divisors: 1 7 139 973 41981 293867 5835359 40847513