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30752113 = 76172019
BaseRepresentation
bin111010101001…
…1110101110001
32010212100222011
41311103311301
530333031423
63015042521
7522250210
oct165236561
963770864
1030752113
11163a4577
12a370441
1364a9422
144127077
152a76b0d
hex1d53d71

30752113 has 8 divisors (see below), whose sum is σ = 35721920. Its totient is φ = 25926480.

The previous prime is 30752107. The next prime is 30752123. The reversal of 30752113 is 31125703.

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 30752113 - 29 = 30751601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30752123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35583 + ... + 36436.

It is an arithmetic number, because the mean of its divisors is an integer number (4465240).

Almost surely, 230752113 is an apocalyptic number.

It is an amenable number.

30752113 is a deficient number, since it is larger than the sum of its proper divisors (4969807).

30752113 is an equidigital number, since it uses as much as digits as its factorization.

30752113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72087.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 30752113 is about 5545.4587727257. The cubic root of 30752113 is about 313.2985036231.

Adding to 30752113 its reverse (31125703), we get a palindrome (61877816).

The spelling of 30752113 in words is "thirty million, seven hundred fifty-two thousand, one hundred thirteen".

Divisors: 1 7 61 427 72019 504133 4393159 30752113