Search a number
-
+
3120332240 = 24539004153
BaseRepresentation
bin1011100111111100…
…0111110111010000
322001110110022010202
42321333013313100
522342301112430
61233343314332
7140216246354
oct27177076720
98043408122
103120332240
111361389883
12730bab9a8
133a95c674c
142185ab464
15133e12d45
hexb9fc7dd0

3120332240 has 20 divisors (see below), whose sum is σ = 7254772644. Its totient is φ = 1248132864.

The previous prime is 3120332231. The next prime is 3120332287. The reversal of 3120332240 is 422330213.

It can be written as a sum of positive squares in 2 ways, for example, as 591851584 + 2528480656 = 24328^2 + 50284^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 19501997 + ... + 19502156.

Almost surely, 23120332240 is an apocalyptic number.

It is an amenable number.

3120332240 is an abundant number, since it is smaller than the sum of its proper divisors (4134440404).

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

3120332240 is a wasteful number, since it uses less digits than its factorization.

3120332240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39004166 (or 39004160 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 3120332240 is about 55859.9341209780. The cubic root of 3120332240 is about 1461.2805803464.

Adding to 3120332240 its reverse (422330213), we get a palindrome (3542662453).

The spelling of 3120332240 in words is "three billion, one hundred twenty million, three hundred thirty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 39004153 78008306 156016612 195020765 312033224 390041530 624066448 780083060 1560166120 3120332240