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5470720 = 2952137
BaseRepresentation
bin10100110111101000000000
3101021221102021
4110313220000
52400030340
6313131224
764333423
oct24675000
911257367
105470720
1130a7262
1219b9b14
131197118
14a259ba
15730e4a
hex537a00

5470720 has 40 divisors (see below), whose sum is σ = 13123044. Its totient is φ = 2187264.

The previous prime is 5470681. The next prime is 5470721. The reversal of 5470720 is 270745.

It can be written as a sum of positive squares in 2 ways, for example, as 4804864 + 665856 = 2192^2 + 816^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (5470721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1492 + ... + 3628.

Almost surely, 25470720 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 5470720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6561522).

5470720 is an abundant number, since it is smaller than the sum of its proper divisors (7652324).

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

5470720 is an equidigital number, since it uses as much as digits as its factorization.

5470720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160 (or 2144 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 5470720 is about 2338.9570325254. The cubic root of 5470720 is about 176.2036210815.

Adding to 5470720 its sum of digits (25), we get a palindrome (5470745).

The spelling of 5470720 in words is "five million, four hundred seventy thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1280 2137 2560 4274 8548 10685 17096 21370 34192 42740 68384 85480 136768 170960 273536 341920 547072 683840 1094144 1367680 2735360 5470720