Search a number
-
+
1320455032 = 231312696683
BaseRepresentation
bin100111010110100…
…1000101101111000
310102000200001202221
41032231020231320
510201014030112
6335005533424
744502453061
oct11655105570
93360601687
101320455032
116183a9456
1230a274274
1318074a550
14c7527568
157add0e07
hex4eb48b78

1320455032 has 16 divisors (see below), whose sum is σ = 2666303640. Its totient is φ = 609440736.

The previous prime is 1320455023. The next prime is 1320455099. The reversal of 1320455032 is 2305540231.

It is a junction number, because it is equal to n+sod(n) for n = 1320454988 and 1320455006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6348238 + ... + 6348445.

Almost surely, 21320455032 is an apocalyptic number.

It is an amenable number.

1320455032 is an abundant number, since it is smaller than the sum of its proper divisors (1345848608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1320455032 is a wasteful number, since it uses less digits than its factorization.

1320455032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12696702 (or 12696698 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 1320455032 is about 36338.0658813867. The cubic root of 1320455032 is about 1097.0873446163.

Adding to 1320455032 its reverse (2305540231), we get a palindrome (3625995263).

The spelling of 1320455032 in words is "one billion, three hundred twenty million, four hundred fifty-five thousand, thirty-two".

Divisors: 1 2 4 8 13 26 52 104 12696683 25393366 50786732 101573464 165056879 330113758 660227516 1320455032