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1047057047 = 1788169911
BaseRepresentation
bin111110011010001…
…101001010010111
32200222020000020122
4332122031022113
54121021311142
6251522022155
734642560311
oct7632151227
92628200218
101047057047
11498044503
122527a795b
13138c04baa
149d0ba7b1
1561dc91d2
hex3e68d297

1047057047 has 8 divisors (see below), whose sum is σ = 1109922912. Its totient is φ = 984332800.

The previous prime is 1047056993. The next prime is 1047057049. The reversal of 1047057047 is 7407507401.

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 1047057047 - 214 = 1047040663 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1047056998 and 1047057016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047057049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19979 + ... + 49932.

It is an arithmetic number, because the mean of its divisors is an integer number (138740364).

Almost surely, 21047057047 is an apocalyptic number.

1047057047 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1047057047 is a deficient number, since it is larger than the sum of its proper divisors (62865865).

1047057047 is an equidigital number, since it uses as much as digits as its factorization.

1047057047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70809.

The product of its (nonzero) digits is 27440, while the sum is 35.

The square root of 1047057047 is about 32358.2608772474. The cubic root of 1047057047 is about 1015.4458788262.

The spelling of 1047057047 in words is "one billion, forty-seven million, fifty-seven thousand, forty-seven".

Divisors: 1 17 881 14977 69911 1188487 61591591 1047057047