Search a number
-
+
2440321392 = 2431917315467
BaseRepresentation
bin1001000101110100…
…0101100101110000
320022001220011121210
42101131011211300
514444210241032
61042052320120
7114321250425
oct22135054560
96261804553
102440321392
111042552643
12581313040
132cb765872
14192157d4c
15e438d2cc
hex91745970

2440321392 has 80 divisors (see below), whose sum is σ = 6674751360. Its totient is φ = 766123776.

The previous prime is 2440321379. The next prime is 2440321393. The reversal of 2440321392 is 2931230442.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440321393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150043 + ... + 165509.

It is an arithmetic number, because the mean of its divisors is an integer number (83434392).

Almost surely, 22440321392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2440321392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3337375680).

2440321392 is an abundant number, since it is smaller than the sum of its proper divisors (4234429968).

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

2440321392 is a wasteful number, since it uses less digits than its factorization.

2440321392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15670 (or 15664 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 2440321392 is about 49399.6092292237. The cubic root of 2440321392 is about 1346.3222059004.

The spelling of 2440321392 in words is "two billion, four hundred forty million, three hundred twenty-one thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 19 24 38 48 57 76 114 152 173 228 304 346 456 519 692 912 1038 1384 2076 2768 3287 4152 6574 8304 9861 13148 15467 19722 26296 30934 39444 46401 52592 61868 78888 92802 123736 157776 185604 247472 293873 371208 587746 742416 881619 1175492 1763238 2350984 2675791 3526476 4701968 5351582 7052952 8027373 10703164 14105904 16054746 21406328 32109492 42812656 50840029 64218984 101680058 128437968 152520087 203360116 305040174 406720232 610080348 813440464 1220160696 2440321392