Search a number
-
+
1340025048 = 233218611459
BaseRepresentation
bin100111111011111…
…0010100011011000
310110101111022210100
41033313302203120
510221021300143
6340545215400
745131011365
oct11767624330
93411438710
101340025048
1162845571a
12314931560
1318481003b
14c9d7d46c
157c9996d3
hex4fdf28d8

1340025048 has 24 divisors (see below), whose sum is σ = 3629234700. Its totient is φ = 446674992.

The previous prime is 1340025031. The next prime is 1340025061. The reversal of 1340025048 is 8405200431.

1340025048 is a `hidden beast` number, since 1 + 3 + 400 + 250 + 4 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9305658 + ... + 9305801.

Almost surely, 21340025048 is an apocalyptic number.

1340025048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1340025048 is an abundant number, since it is smaller than the sum of its proper divisors (2289209652).

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

1340025048 is a wasteful number, since it uses less digits than its factorization.

1340025048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18611471 (or 18611464 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 1340025048 is about 36606.3525634554. The cubic root of 1340025048 is about 1102.4806407510.

Adding to 1340025048 its reverse (8405200431), we get a palindrome (9745225479).

The spelling of 1340025048 in words is "one billion, three hundred forty million, twenty-five thousand, forty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 18611459 37222918 55834377 74445836 111668754 148891672 167503131 223337508 335006262 446675016 670012524 1340025048