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228010753 = 239913511
BaseRepresentation
bin11011001011100…
…10101100000001
3120220001010221201
431211302230001
5431332321003
634343021201
75436026245
oct1545625401
9526033851
10228010753
11107784943
126443a801
1338313a09
14223d4425
151503db1d
hexd972b01

228010753 has 4 divisors (see below), whose sum is σ = 237924288. Its totient is φ = 218097220.

The previous prime is 228010733. The next prime is 228010763. The reversal of 228010753 is 357010822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 228010753 - 25 = 228010721 is a prime.

It is a super-3 number, since 3×2280107533 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228010703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4956733 + ... + 4956778.

It is an arithmetic number, because the mean of its divisors is an integer number (59481072).

Almost surely, 2228010753 is an apocalyptic number.

228010753 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

228010753 is a deficient number, since it is larger than the sum of its proper divisors (9913535).

228010753 is an equidigital number, since it uses as much as digits as its factorization.

228010753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9913534.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 228010753 is about 15100.0249337542. The cubic root of 228010753 is about 610.9210782708.

The spelling of 228010753 in words is "two hundred twenty-eight million, ten thousand, seven hundred fifty-three".

Divisors: 1 23 9913511 228010753