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4990574720 = 2758838831
BaseRepresentation
bin1001010010111011…
…00010000010000000
3110212210122110111202
410221131202002000
540210041342340
62143113200332
7234446120345
oct45135420200
913783573452
104990574720
11213105a71a
12b734000a8
13616c0b7c1
14354b2a7cc
151e31e3c15
hex129762080

4990574720 has 64 divisors (see below), whose sum is σ = 11945456640. Its totient is φ = 1993743360.

The previous prime is 4990574683. The next prime is 4990574741. The reversal of 4990574720 is 274750994.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560705 + ... + 569535.

It is an arithmetic number, because the mean of its divisors is an integer number (186647760).

Almost surely, 24990574720 is an apocalyptic number.

4990574720 is a gapful number since it is divisible by the number (40) 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 4990574720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5972728320).

4990574720 is an abundant number, since it is smaller than the sum of its proper divisors (6954881920).

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

4990574720 is an equidigital number, since it uses as much as digits as its factorization.

4990574720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9733 (or 9721 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 47.

The square root of 4990574720 is about 70643.9998867561. Note that the first 3 decimals coincide. The cubic root of 4990574720 is about 1708.9008040193.

The spelling of 4990574720 in words is "four billion, nine hundred ninety million, five hundred seventy-four thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 883 1766 3532 4415 7064 8830 8831 14128 17660 17662 28256 35320 35324 44155 56512 70640 70648 88310 113024 141280 141296 176620 282560 282592 353240 565120 565184 706480 1130368 1412960 2825920 5651840 7797773 15595546 31191092 38988865 62382184 77977730 124764368 155955460 249528736 311910920 499057472 623821840 998114944 1247643680 2495287360 4990574720