Search a number
-
+
750625985 = 5280153597
BaseRepresentation
bin101100101111011…
…010010011000001
31221022102202021102
4230233122103001
53014130012420
6202252304145
724413133644
oct5457322301
91838382242
10750625985
1135578845a
1218b472055
13bc6866b5
1471995a5b
1545d72a75
hex2cbda4c1

750625985 has 8 divisors (see below), whose sum is σ = 901089576. Its totient is φ = 600275200.

The previous prime is 750625979. The next prime is 750626003. The reversal of 750625985 is 589526057.

750625985 is digitally balanced in base 2, 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 4 ways, for example, as 220106896 + 530519089 = 14836^2 + 23033^2 .

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

It is not a de Polignac number, because 750625985 - 24 = 750625969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12794 + ... + 40803.

It is an arithmetic number, because the mean of its divisors is an integer number (112636197).

Almost surely, 2750625985 is an apocalyptic number.

It is an amenable number.

750625985 is a deficient number, since it is larger than the sum of its proper divisors (150463591).

750625985 is a wasteful number, since it uses less digits than its factorization.

750625985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56403.

The product of its (nonzero) digits is 756000, while the sum is 47.

The square root of 750625985 is about 27397.5543616579. The cubic root of 750625985 is about 908.8130017302.

The spelling of 750625985 in words is "seven hundred fifty million, six hundred twenty-five thousand, nine hundred eighty-five".

Divisors: 1 5 2801 14005 53597 267985 150125197 750625985