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2162948240 = 24527036853
BaseRepresentation
bin1000000011101011…
…1111100010010000
312120201222011012002
42000322333202100
513412203320430
6554343253132
7104412520355
oct20072774220
95521864162
102162948240
11a0aa23032
1250444a1a8
1328615aa3b
1416739462c
15c9d4d845
hex80ebf890

2162948240 has 20 divisors (see below), whose sum is σ = 5028854844. Its totient is φ = 865179264.

The previous prime is 2162948231. The next prime is 2162948251. The reversal of 2162948240 is 428492612.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 465178624 + 1697769616 = 21568^2 + 41204^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2162948194 and 2162948203.

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, 13518347 + ... + 13518506.

Almost surely, 22162948240 is an apocalyptic number.

2162948240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2162948240 is an abundant number, since it is smaller than the sum of its proper divisors (2865906604).

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

2162948240 is a wasteful number, since it uses less digits than its factorization.

2162948240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27036866 (or 27036860 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 2162948240 is about 46507.5073509643. The cubic root of 2162948240 is about 1293.2486753906.

The spelling of 2162948240 in words is "two billion, one hundred sixty-two million, nine hundred forty-eight thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 27036853 54073706 108147412 135184265 216294824 270368530 432589648 540737060 1081474120 2162948240