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1049768141 = 4125604101
BaseRepresentation
bin111110100100100…
…011000011001101
32201011022202011112
4332210203003031
54122220040031
6252100101405
735004611342
oct7644430315
92634282145
101049768141
11499626384
12253694865
13139643ba6
149d5c47c9
156226262b
hex3e9230cd

1049768141 has 4 divisors (see below), whose sum is σ = 1075372284. Its totient is φ = 1024164000.

The previous prime is 1049768087. The next prime is 1049768177. The reversal of 1049768141 is 1418679401.

1049768141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 593945641 + 455822500 = 24371^2 + 21350^2 .

It is a cyclic number.

It is not a de Polignac number, because 1049768141 - 214 = 1049751757 is a prime.

It is a super-2 number, since 2×10497681412 = 2204026299717191762, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 25604101 = 1049768141 / (1 + 0 + 4 + 9 + 7 + 6 + 8 + 1 + 4 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1049764141) 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, 12802010 + ... + 12802091.

It is an arithmetic number, because the mean of its divisors is an integer number (268843071).

Almost surely, 21049768141 is an apocalyptic number.

It is an amenable number.

1049768141 is a deficient number, since it is larger than the sum of its proper divisors (25604143).

1049768141 is an equidigital number, since it uses as much as digits as its factorization.

1049768141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25604142.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 1049768141 is about 32400.1256324725. The cubic root of 1049768141 is about 1016.3215384050.

The spelling of 1049768141 in words is "one billion, forty-nine million, seven hundred sixty-eight thousand, one hundred forty-one".

Divisors: 1 41 25604101 1049768141