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1075147685 = 5515341729
BaseRepresentation
bin100000000010101…
…0111001110100101
32202221002011100122
41000011113032211
54200214211220
6254404051325
735433414233
oct10005271645
92687064318
101075147685
11501990407
12260093b45
1314198ba81
14a2b0d953
15645c7425
hex401573a5

1075147685 has 8 divisors (see below), whose sum is σ = 1290458520. Its totient is φ = 859930624.

The previous prime is 1075147657. The next prime is 1075147687. The reversal of 1075147685 is 5867415701.

It can be written as a sum of positive squares in 4 ways, for example, as 12974404 + 1062173281 = 3602^2 + 32591^2 .

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 1075147685 - 26 = 1075147621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1075147687) 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, 4901 + ... + 46629.

It is an arithmetic number, because the mean of its divisors is an integer number (161307315).

Almost surely, 21075147685 is an apocalyptic number.

It is an amenable number.

1075147685 is a deficient number, since it is larger than the sum of its proper divisors (215310835).

1075147685 is an equidigital number, since it uses as much as digits as its factorization.

1075147685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46887.

The product of its (nonzero) digits is 235200, while the sum is 44.

The square root of 1075147685 is about 32789.4447192995. Note that the first 3 decimals coincide. The cubic root of 1075147685 is about 1024.4467162694.

The spelling of 1075147685 in words is "one billion, seventy-five million, one hundred forty-seven thousand, six hundred eighty-five".

Divisors: 1 5 5153 25765 41729 208645 215029537 1075147685