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1330054040 = 23572678599
BaseRepresentation
bin100111101000111…
…0000001110011000
310102200201202010202
41033101300032120
510210443212130
6335551401332
744650162400
oct11721601630
93380652122
101330054040
11622865317
12311523248
1318272b733
14c8905800
157bb7a145
hex4f470398

1330054040 has 48 divisors (see below), whose sum is σ = 3481218000. Its totient is φ = 456017856.

The previous prime is 1330053997. The next prime is 1330054049. The reversal of 1330054040 is 404500331.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330054049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 337340 + ... + 341259.

It is an arithmetic number, because the mean of its divisors is an integer number (72525375).

Almost surely, 21330054040 is an apocalyptic number.

1330054040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1330054040 is an abundant number, since it is smaller than the sum of its proper divisors (2151163960).

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

1330054040 is a wasteful number, since it uses less digits than its factorization.

1330054040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678624 (or 678613 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 1330054040 is about 36469.9059499747. The cubic root of 1330054040 is about 1099.7393431981.

Adding to 1330054040 its reverse (404500331), we get a palindrome (1734554371).

The spelling of 1330054040 in words is "one billion, three hundred thirty million, fifty-four thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 49 56 70 98 140 196 245 280 392 490 980 1960 678599 1357198 2714396 3392995 4750193 5428792 6785990 9500386 13571980 19000772 23750965 27143960 33251351 38001544 47501930 66502702 95003860 133005404 166256755 190007720 266010808 332513510 665027020 1330054040