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30200105 = 513464617
BaseRepresentation
bin111001100110…
…1000100101001
32002211022202102
41303031010221
530212400410
62555143145
7514460645
oct163150451
962738672
1030200105
1116057871
12a144ab5
1363450b0
144021c25
1529b82a5
hex1ccd129

30200105 has 8 divisors (see below), whose sum is σ = 39027912. Its totient is φ = 22301568.

The previous prime is 30200099. The next prime is 30200117. The reversal of 30200105 is 50100203.

It can be written as a sum of positive squares in 4 ways, for example, as 399424 + 29800681 = 632^2 + 5459^2 .

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 30200105 - 216 = 30134569 is a prime.

It is a super-2 number, since 2×302001052 = 1824092684022050, which contains 22 as substring.

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, 232244 + ... + 232373.

It is an arithmetic number, because the mean of its divisors is an integer number (4878489).

Almost surely, 230200105 is an apocalyptic number.

It is an amenable number.

30200105 is a deficient number, since it is larger than the sum of its proper divisors (8827807).

30200105 is a wasteful number, since it uses less digits than its factorization.

30200105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464635.

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 30200105 is about 5495.4622189585. The cubic root of 30200105 is about 311.4125788378.

Adding to 30200105 its reverse (50100203), we get a palindrome (80300308).

The spelling of 30200105 in words is "thirty million, two hundred thousand, one hundred five".

Divisors: 1 5 13 65 464617 2323085 6040021 30200105