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1040652857 = 19314143093
BaseRepresentation
bin111110000001110…
…001101000111001
32200112011122100102
4332001301220321
54112401342412
6251132445145
734534255226
oct7601615071
92615148312
101040652857
1149446a992
122506197b5
131377a1c2a
149c2d094d
15615618c2
hex3e071a39

1040652857 has 16 divisors (see below), whose sum is σ = 1158366720. Its totient is φ = 930787200.

The previous prime is 1040652839. The next prime is 1040652869. The reversal of 1040652857 is 7582560401.

1040652857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1040652857 - 226 = 973543993 is a prime.

It is a Smith number, since the sum of its digits (38) 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 a self number, because there is not a number n which added to its sum of digits gives 1040652857.

It is not an unprimeable number, because it can be changed into a prime (1040652817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2603 + ... + 45695.

It is an arithmetic number, because the mean of its divisors is an integer number (72397920).

Almost surely, 21040652857 is an apocalyptic number.

It is an amenable number.

1040652857 is a deficient number, since it is larger than the sum of its proper divisors (117713863).

1040652857 is a wasteful number, since it uses less digits than its factorization.

1040652857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43184.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 1040652857 is about 32259.1515232500. The cubic root of 1040652857 is about 1013.3713621054.

The spelling of 1040652857 in words is "one billion, forty million, six hundred fifty-two thousand, eight hundred fifty-seven".

Divisors: 1 19 31 41 589 779 1271 24149 43093 818767 1335883 1766813 25381777 33569447 54771203 1040652857