Search a number
-
+
4352720 = 24554409
BaseRepresentation
bin10000100110101011010000
322012010210212
4100212223100
52103241340
6233143252
751666101
oct20465320
98163725
104352720
112503299
12155ab28
13b95298
148143a8
155aea65
hex426ad0

4352720 has 20 divisors (see below), whose sum is σ = 10120260. Its totient is φ = 1741056.

The previous prime is 4352713. The next prime is 4352749. The reversal of 4352720 is 272534.

4352720 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1098304 + 3254416 = 1048^2 + 1804^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27125 + ... + 27284.

It is an arithmetic number, because the mean of its divisors is an integer number (506013).

Almost surely, 24352720 is an apocalyptic number.

4352720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4352720 is an abundant number, since it is smaller than the sum of its proper divisors (5767540).

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

4352720 is a wasteful number, since it uses less digits than its factorization.

4352720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54422 (or 54416 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 4352720 is about 2086.3173296505. The cubic root of 4352720 is about 163.2752072312.

It can be divided in two parts, 43527 and 20, that multiplied together give a triangular number (870540 = T1319).

The spelling of 4352720 in words is "four million, three hundred fifty-two thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 54409 108818 217636 272045 435272 544090 870544 1088180 2176360 4352720