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1047450379 = 1975317007
BaseRepresentation
bin111110011011101…
…101001100001011
32200222221222210111
4332123231030023
54121121403004
6251534255151
734646116123
oct7633551413
92628858714
101047450379
11498292a78
122529574b7
13139011c31
149d17dc83
1561e55a04
hex3e6ed30b

1047450379 has 4 divisors (see below), whose sum is σ = 1052767584. Its totient is φ = 1042133176.

The previous prime is 1047450361. The next prime is 1047450457. The reversal of 1047450379 is 9730547401.

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

It is a cyclic number.

It is not a de Polignac number, because 1047450379 - 27 = 1047450251 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1047450479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2658307 + ... + 2658700.

It is an arithmetic number, because the mean of its divisors is an integer number (263191896).

Almost surely, 21047450379 is an apocalyptic number.

1047450379 is a deficient number, since it is larger than the sum of its proper divisors (5317205).

1047450379 is an equidigital number, since it uses as much as digits as its factorization.

1047450379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5317204.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 1047450379 is about 32364.3380744918. The cubic root of 1047450379 is about 1015.5730152788.

The spelling of 1047450379 in words is "one billion, forty-seven million, four hundred fifty thousand, three hundred seventy-nine".

Divisors: 1 197 5317007 1047450379