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4780753 = 61181433
BaseRepresentation
bin10010001111001011010001
322222212221221
4102033023101
52210441003
6250245041
755431025
oct22171321
98885857
104780753
11277593a
121726781
13cb5063
148c6385
156467bd
hex48f2d1

4780753 has 8 divisors (see below), whose sum is σ = 4897256. Its totient is φ = 4665600.

The previous prime is 4780751. The next prime is 4780771. The reversal of 4780753 is 3570874.

It can be written as a sum of positive squares in 4 ways, for example, as 986049 + 3794704 = 993^2 + 1948^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4780753 - 21 = 4780751 is a prime.

It is a super-3 number, since 3×47807533 (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4780751) by changing a digit.

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, 10825 + ... + 11257.

It is an arithmetic number, because the mean of its divisors is an integer number (612157).

Almost surely, 24780753 is an apocalyptic number.

It is an amenable number.

4780753 is a deficient number, since it is larger than the sum of its proper divisors (116503).

4780753 is a wasteful number, since it uses less digits than its factorization.

4780753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 4780753 is about 2186.4933112178. The cubic root of 4780753 is about 168.4607650785.

The spelling of 4780753 in words is "four million, seven hundred eighty thousand, seven hundred fifty-three".

Divisors: 1 61 181 433 11041 26413 78373 4780753