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1070785469 = 1382368113
BaseRepresentation
bin111111110100101…
…110001110111101
32202121212112112002
4333310232032331
54143110113334
6254130352045
735351345345
oct7764561675
92677775462
101070785469
114aa480a76
1225a72b625
13140ac2390
14a22d5d25
1564014b7e
hex3fd2e3bd

1070785469 has 4 divisors (see below), whose sum is σ = 1153153596. Its totient is φ = 988417344.

The previous prime is 1070785459. The next prime is 1070785481. The reversal of 1070785469 is 9645870701.

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 485629369 + 585156100 = 22037^2 + 24190^2 .

It is a cyclic number.

It is not a de Polignac number, because 1070785469 - 28 = 1070785213 is a prime.

It is a super-2 number, since 2×10707854692 = 2293163041243099922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1070785459) 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, 41184044 + ... + 41184069.

It is an arithmetic number, because the mean of its divisors is an integer number (288288399).

Almost surely, 21070785469 is an apocalyptic number.

It is an amenable number.

1070785469 is a deficient number, since it is larger than the sum of its proper divisors (82368127).

1070785469 is an equidigital number, since it uses as much as digits as its factorization.

1070785469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82368126.

The product of its (nonzero) digits is 423360, while the sum is 47.

The square root of 1070785469 is about 32722.8585089995. The cubic root of 1070785469 is about 1023.0593362103.

The spelling of 1070785469 in words is "one billion, seventy million, seven hundred eighty-five thousand, four hundred sixty-nine".

Divisors: 1 13 82368113 1070785469