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2152338784 = 25445715091
BaseRepresentation
bin1000000001001010…
…0001010101100000
312120000000010202021
42000102201111200
513401444320114
6553324031224
7104223402121
oct20022412540
95500003667
102152338784
11a04a36a92
12500992514
13283bb495b
14165bd2048
15c8e55024
hex804a1560

2152338784 has 24 divisors (see below), whose sum is σ = 4238648568. Its totient is φ = 1075856640.

The previous prime is 2152338767. The next prime is 2152338787. The reversal of 2152338784 is 4878332512.

It is a super-2 number, since 2×21523387842 = 9265124482221197312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2152338784.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152338787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135079 + ... + 150169.

It is an arithmetic number, because the mean of its divisors is an integer number (176610357).

Almost surely, 22152338784 is an apocalyptic number.

It is an amenable number.

2152338784 is a deficient number, since it is larger than the sum of its proper divisors (2086309784).

2152338784 is a wasteful number, since it uses less digits than its factorization.

2152338784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19558 (or 19550 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 2152338784 is about 46393.3053791169. The cubic root of 2152338784 is about 1291.1307082417.

The spelling of 2152338784 in words is "two billion, one hundred fifty-two million, three hundred thirty-eight thousand, seven hundred eighty-four".

Divisors: 1 2 4 8 16 32 4457 8914 15091 17828 30182 35656 60364 71312 120728 142624 241456 482912 67260587 134521174 269042348 538084696 1076169392 2152338784