Search a number
-
+
1022000305 = 51735334061
BaseRepresentation
bin111100111010100…
…111110010110001
32122020001222212011
4330322213302301
54043113002210
6245225002521
734216600504
oct7472476261
92566058764
101022000305
1148498aa57
12246323441
13133970c11
1499a3713b
155eac9d8a
hex3cea7cb1

1022000305 has 16 divisors (see below), whose sum is σ = 1302258384. Its totient is φ = 767303680.

The previous prime is 1022000293. The next prime is 1022000323. The reversal of 1022000305 is 5030002201.

It can be written as a sum of positive squares in 8 ways, for example, as 126315121 + 895685184 = 11239^2 + 29928^2 .

It is not a de Polignac number, because 1022000305 - 213 = 1021992113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12975 + ... + 47035.

It is an arithmetic number, because the mean of its divisors is an integer number (81391149).

Almost surely, 21022000305 is an apocalyptic number.

It is an amenable number.

1022000305 is a deficient number, since it is larger than the sum of its proper divisors (280258079).

1022000305 is a wasteful number, since it uses less digits than its factorization.

1022000305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34436.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 1022000305 is about 31968.7394965770. The cubic root of 1022000305 is about 1007.2803035546.

Adding to 1022000305 its reverse (5030002201), we get a palindrome (6052002506).

The spelling of 1022000305 in words is "one billion, twenty-two million, three hundred five", and thus it is an aban number.

Divisors: 1 5 17 85 353 1765 6001 30005 34061 170305 579037 2895185 12023533 60117665 204400061 1022000305