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2952728320 = 2858327793
BaseRepresentation
bin1010111111111111…
…0000111100000000
321121210002010210011
42233333300330000
522021344301240
61204555114304
7133112530243
oct25777607400
97553063704
102952728320
111285813543
126a4a42994
13380972c29
1420021d25a
151243576ea
hexafff0f00

2952728320 has 72 divisors (see below), whose sum is σ = 7158177936. Its totient is φ = 1166819328.

The previous prime is 2952728297. The next prime is 2952728321. The reversal of 2952728320 is 238272592.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2952728321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92344 + ... + 120136.

It is an arithmetic number, because the mean of its divisors is an integer number (99419138).

Almost surely, 22952728320 is an apocalyptic number.

2952728320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2952728320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3579088968).

2952728320 is an abundant number, since it is smaller than the sum of its proper divisors (4205449616).

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

2952728320 is an equidigital number, since it uses as much as digits as its factorization.

2952728320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27897 (or 27883 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 2952728320 is about 54339.0128728890. The cubic root of 2952728320 is about 1434.6341453421.

The spelling of 2952728320 in words is "two billion, nine hundred fifty-two million, seven hundred twenty-eight thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 83 128 160 166 256 320 332 415 640 664 830 1280 1328 1660 2656 3320 5312 6640 10624 13280 21248 26560 27793 53120 55586 106240 111172 138965 222344 277930 444688 555860 889376 1111720 1778752 2223440 2306819 3557504 4446880 4613638 7115008 8893760 9227276 11534095 17787520 18454552 23068190 35575040 36909104 46136380 73818208 92272760 147636416 184545520 295272832 369091040 590545664 738182080 1476364160 2952728320