Search a number
-
+
1051005245 = 5316780679
BaseRepresentation
bin111110101001010…
…001000100111101
32201020122121011012
4332221101010331
54123024131440
6252142405005
735021253143
oct7651210475
92636577135
101051005245
1149a2a0884
12253b90765
13139987cc4
149d827593
1562408e65
hex3ea5113d

1051005245 has 8 divisors (see below), whose sum is σ = 1301890560. Its totient is φ = 813681360.

The previous prime is 1051005223. The next prime is 1051005251. The reversal of 1051005245 is 5425001501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1051005245 - 28 = 1051004989 is a prime.

It is a super-2 number, since 2×10510052452 = 2209224050035020050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1051005245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3390185 + ... + 3390494.

It is an arithmetic number, because the mean of its divisors is an integer number (162736320).

Almost surely, 21051005245 is an apocalyptic number.

It is an amenable number.

1051005245 is a deficient number, since it is larger than the sum of its proper divisors (250885315).

1051005245 is an equidigital number, since it uses as much as digits as its factorization.

1051005245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6780715.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 1051005245 is about 32419.2110483892. The cubic root of 1051005245 is about 1016.7206112497.

Adding to 1051005245 its reverse (5425001501), we get a palindrome (6476006746).

The spelling of 1051005245 in words is "one billion, fifty-one million, five thousand, two hundred forty-five".

Divisors: 1 5 31 155 6780679 33903395 210201049 1051005245