Search a number
-
+
1066070477 = 7913494563
BaseRepresentation
bin111111100010101…
…111000111001101
32202021222222202202
4333202233013031
54140403223402
6253441331245
735263310123
oct7742570715
92667888682
101066070477
114a785058a
12259036b25
1313cb31244
14a1829913
15638d2b02
hex3f8af1cd

1066070477 has 4 divisors (see below), whose sum is σ = 1079565120. Its totient is φ = 1052575836.

The previous prime is 1066070471. The next prime is 1066070507. The reversal of 1066070477 is 7740706601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1066070477 - 26 = 1066070413 is a prime.

It is a super-2 number, since 2×10660704772 = 2273012523862015058, which contains 22 as substring.

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 1066070477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066070471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6747203 + ... + 6747360.

It is an arithmetic number, because the mean of its divisors is an integer number (269891280).

Almost surely, 21066070477 is an apocalyptic number.

It is an amenable number.

1066070477 is a deficient number, since it is larger than the sum of its proper divisors (13494643).

1066070477 is an equidigital number, since it uses as much as digits as its factorization.

1066070477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13494642.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 1066070477 is about 32650.7347084258. The cubic root of 1066070477 is about 1021.5555136456. Note that the first 4 decimals are identical.

The spelling of 1066070477 in words is "one billion, sixty-six million, seventy thousand, four hundred seventy-seven".

Divisors: 1 79 13494563 1066070477