Search a number
-
+
5291280 = 243257349
BaseRepresentation
bin10100001011110100010000
3100221211021100
4110023310100
52323310110
6305224400
762655321
oct24136420
910854240
105291280
112a94465
121932100
131133547
149ba448
156e7bc0
hex50bd10

5291280 has 60 divisors (see below), whose sum is σ = 17772300. Its totient is φ = 1410816.

The previous prime is 5291269. The next prime is 5291281. The reversal of 5291280 is 821925.

It can be written as a sum of positive squares in 2 ways, for example, as 2782224 + 2509056 = 1668^2 + 1584^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is not an unprimeable number, because it can be changed into a prime (5291281) 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, 2955 + ... + 4394.

It is an arithmetic number, because the mean of its divisors is an integer number (296205).

Almost surely, 25291280 is an apocalyptic number.

It is an amenable number.

5291280 is an abundant number, since it is smaller than the sum of its proper divisors (12481020).

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

5291280 is a wasteful number, since it uses less digits than its factorization.

5291280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7368 (or 7359 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 5291280 is about 2300.2782440392. The cubic root of 5291280 is about 174.2556685386.

The spelling of 5291280 in words is "five million, two hundred ninety-one thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 7349 14698 22047 29396 36745 44094 58792 66141 73490 88188 110235 117584 132282 146980 176376 220470 264564 293960 330705 352752 440940 529128 587920 661410 881880 1058256 1322820 1763760 2645640 5291280