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30200017 = 34986533
BaseRepresentation
bin111001100110…
…1000011010001
32002211022122011
41303031003101
530212400032
62555142521
7514460461
oct163150321
962738564
1030200017
11160577a1
12a144a41
136345043
144021ba1
1529b8247
hex1ccd0d1

30200017 has 4 divisors (see below), whose sum is σ = 30286900. Its totient is φ = 30113136.

The previous prime is 30200011. The next prime is 30200021. The reversal of 30200017 is 71000203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9186961 + 21013056 = 3031^2 + 4584^2 .

It is a cyclic number.

It is not a de Polignac number, because 30200017 - 223 = 21811409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30200011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42918 + ... + 43615.

It is an arithmetic number, because the mean of its divisors is an integer number (7571725).

Almost surely, 230200017 is an apocalyptic number.

It is an amenable number.

30200017 is a deficient number, since it is larger than the sum of its proper divisors (86883).

30200017 is an equidigital number, since it uses as much as digits as its factorization.

30200017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86882.

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 30200017 is about 5495.4542123468. The cubic root of 30200017 is about 311.4122763627.

The spelling of 30200017 in words is "thirty million, two hundred thousand, seventeen".

Divisors: 1 349 86533 30200017