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30085617 = 397103387
BaseRepresentation
bin111001011000…
…1000111110001
32002121111201010
41302301013301
530200214432
62552501133
7513503112
oct162610761
962544633
1030085617
1115a89851
12a0aa7a9
136304c53
143dd2209
1529943cc
hex1cb11f1

30085617 has 8 divisors (see below), whose sum is σ = 40528096. Its totient is φ = 19850112.

The previous prime is 30085603. The next prime is 30085637. The reversal of 30085617 is 71658003.

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

It is not a de Polignac number, because 30085617 - 26 = 30085553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30085637) 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 7 ways as a sum of consecutive naturals, for example, 51403 + ... + 51984.

It is an arithmetic number, because the mean of its divisors is an integer number (5066012).

Almost surely, 230085617 is an apocalyptic number.

It is an amenable number.

30085617 is a deficient number, since it is larger than the sum of its proper divisors (10442479).

30085617 is a wasteful number, since it uses less digits than its factorization.

30085617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103487.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 30085617 is about 5485.0357337031. The cubic root of 30085617 is about 311.0185608729.

The spelling of 30085617 in words is "thirty million, eighty-five thousand, six hundred seventeen".

Divisors: 1 3 97 291 103387 310161 10028539 30085617