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1075148047 = 1318207237
BaseRepresentation
bin100000000010101…
…0111010100001111
32202221002011212001
41000011113110033
54200214214142
6254404053131
735433415261
oct10005272417
92687064761
101075148047
11501990706
122600941a7
1314198bc9c
14a2b0db31
15645c75b7
hex4015750f

1075148047 has 4 divisors (see below), whose sum is σ = 1083355416. Its totient is φ = 1066940680.

The previous prime is 1075148029. The next prime is 1075148057. The reversal of 1075148047 is 7408415701.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1075148047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1075147997 and 1075148015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1075148027) 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 3 ways as a sum of consecutive naturals, for example, 4103488 + ... + 4103749.

It is an arithmetic number, because the mean of its divisors is an integer number (270838854).

Almost surely, 21075148047 is an apocalyptic number.

1075148047 is a deficient number, since it is larger than the sum of its proper divisors (8207369).

1075148047 is an equidigital number, since it uses as much as digits as its factorization.

1075148047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8207368.

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 1075148047 is about 32789.4502393681. The cubic root of 1075148047 is about 1024.4468312457.

The spelling of 1075148047 in words is "one billion, seventy-five million, one hundred forty-eight thousand, forty-seven".

Divisors: 1 131 8207237 1075148047