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2402132240 = 24567448159
BaseRepresentation
bin1000111100101101…
…1010000100010000
320012102000221221202
42033023122010100
514404421212430
61034210010332
7113345533664
oct21713320420
96172027852
102402132240
111022a39562
125705769a8
132c3884331
1418b0568a4
15e0d47d45
hex8f2da110

2402132240 has 40 divisors (see below), whose sum is σ = 5668327680. Its totient is φ = 946509696.

The previous prime is 2402132203. The next prime is 2402132251. The reversal of 2402132240 is 422312042.

It is a tau number, because it is divible by the number of its divisors (40).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218720 + ... + 229439.

It is an arithmetic number, because the mean of its divisors is an integer number (141708192).

Almost surely, 22402132240 is an apocalyptic number.

2402132240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2402132240 is an abundant number, since it is smaller than the sum of its proper divisors (3266195440).

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

2402132240 is a wasteful number, since it uses less digits than its factorization.

2402132240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448239 (or 448233 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2402132240 is about 49011.5521076409. The cubic root of 2402132240 is about 1339.2622804999.

Adding to 2402132240 its reverse (422312042), we get a palindrome (2824444282).

The spelling of 2402132240 in words is "two billion, four hundred two million, one hundred thirty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 67 80 134 268 335 536 670 1072 1340 2680 5360 448159 896318 1792636 2240795 3585272 4481590 7170544 8963180 17926360 30026653 35852720 60053306 120106612 150133265 240213224 300266530 480426448 600533060 1201066120 2402132240