Search a number
4756761 = 327272
BaseRepresentation
bin10010001001010100011001
322221200001100
4102021110121
52204204021
6245542013
755301052
oct22112431
98850040
104756761
112759909
121714909
13ca7169
148bb729
1563e626
hex489519

4756761 has 9 divisors (see below), whose sum is σ = 6880341. Its totient is φ = 3166812.

The previous prime is 4756751. The next prime is 4756769. The reversal of 4756761 is 1676574.

The square root of 4756761 is 2181.

It is a perfect power (a square), and thus also a powerful number.

It is a tau number, because it is divible by the number of its divisors (9).

It is a de Polignac number, because none of the positive numbers 2k-4756761 is a prime.

It is a super-2 number, since 2×47567612 = 45253550422242, which contains 22 as substring.

4756761 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4756769) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6180 + ... + 6906.

Almost surely, 24756761 is an apocalyptic number.

4756761 is the 2181-st square number.

4756761 is the 1091-st centered octagonal number.

It is an amenable number.

4756761 is a deficient number, since it is larger than the sum of its proper divisors (2123580).

4756761 is an frugal number, since it uses more digits than its factorization.

4756761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460 (or 730 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The cubic root of 4756761 is about 168.1784880231.

Multiplying 4756761 by its sum of digits (36), we get a square (171243396 = 130862).

The spelling of 4756761 in words is "four million, seven hundred fifty-six thousand, seven hundred sixty-one".

Divisors: 1 3 9 727 2181 6543 528529 1585587 4756761